20923002880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:1014

約数の個数: 208

約数和(自身を含む): 54740780640

約数和(自身を除く): 33817777760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 128, 130, 160, 178, 208, 256, 260, 320, 356, 416, 445, 512, 520, 640, 712, 832, 883, 890, 1024, 1040, 1157, 1280, 1424, 1664, 1766, 1780, 2048, 2080, 2314, 2560, 2848, 3328, 3532, 3560, 4096, 4160, 4415, 4628, 5120, 5696, 5785, 6656, 7064, 7120, 8320, 8830, 9256, 10240, 11392, 11479, 11570, 13312, 14128, 14240, 16640, 17660, 18512, 20480, 22784, 22958, 23140, 26624, 28256, 28480, 33280, 35320, 37024, 45568, 45916, 46280, 53248, 56512, 56960, 57395, 66560, 70640, 74048, 78587, 91136, 91832, 92560, 113024, 113920, 114790, 133120, 141280, 148096, 157174, 182272, 183664, 185120, 226048, 227840, 229580, 266240, 282560, 296192, 314348, 364544, 367328, 370240, 392935, 452096, 455680, 459160, 565120, 592384, 628696, 734656, 740480, 785870, 904192, 911360, 918320, 1021631, 1130240, 1184768, 1257392, 1469312, 1480960, 1571740, 1808384, 1822720, 1836640, 2043262, 2260480, 2369536, 2514784, 2938624, 2961920, 3143480, 3616768, 3673280, 4086524, 4520960, 4739072, 5029568, 5108155, 5877248, 5923840, 6286960, 7346560, 8173048, 9041920, 10059136, 10216310, 11754496, 11847680, 12573920, 14693120, 16346096, 18083840, 20118272, 20432620, 23508992, 23695360, 25147840, 29386240, 32692192, 40236544, 40865240, 47017984, 50295680, 58772480, 65384384, 80473088, 81730480, 100591360, 117544960, 130768768, 160946176, 163460960, 201182720, 235089920, 261537536, 321892352, 326921920, 402365440, 523075072, 653843840, 804730880, 1046150144, 1307687680, 1609461760, 2092300288, 2615375360, 4184600576, 5230750720, 10461501440, 20923002880]

約数ペア:

[(1, 20923002880), (2, 10461501440), (4, 5230750720), (5, 4184600576), (8, 2615375360), (10, 2092300288), (13, 1609461760), (16, 1307687680), (20, 1046150144), (26, 804730880), (32, 653843840), (40, 523075072), (52, 402365440), (64, 326921920), (65, 321892352), (80, 261537536), (89, 235089920), (104, 201182720), (128, 163460960), (130, 160946176), (160, 130768768), (178, 117544960), (208, 100591360), (256, 81730480), (260, 80473088), (320, 65384384), (356, 58772480), (416, 50295680), (445, 47017984), (512, 40865240), (520, 40236544), (640, 32692192), (712, 29386240), (832, 25147840), (883, 23695360), (890, 23508992), (1024, 20432620), (1040, 20118272), (1157, 18083840), (1280, 16346096), (1424, 14693120), (1664, 12573920), (1766, 11847680), (1780, 11754496), (2048, 10216310), (2080, 10059136), (2314, 9041920), (2560, 8173048), (2848, 7346560), (3328, 6286960), (3532, 5923840), (3560, 5877248), (4096, 5108155), (4160, 5029568), (4415, 4739072), (4628, 4520960), (5120, 4086524), (5696, 3673280), (5785, 3616768), (6656, 3143480), (7064, 2961920), (7120, 2938624), (8320, 2514784), (8830, 2369536), (9256, 2260480), (10240, 2043262), (11392, 1836640), (11479, 1822720), (11570, 1808384), (13312, 1571740), (14128, 1480960), (14240, 1469312), (16640, 1257392), (17660, 1184768), (18512, 1130240), (20480, 1021631), (22784, 918320), (22958, 911360), (23140, 904192), (26624, 785870), (28256, 740480), (28480, 734656), (33280, 628696), (35320, 592384), (37024, 565120), (45568, 459160), (45916, 455680), (46280, 452096), (53248, 392935), (56512, 370240), (56960, 367328), (57395, 364544), (66560, 314348), (70640, 296192), (74048, 282560), (78587, 266240), (91136, 229580), (91832, 227840), (92560, 226048), (113024, 185120), (113920, 183664), (114790, 182272), (133120, 157174), (141280, 148096)]