20201521600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{57131}}^1$

素因数の和:57183

約数の個数: 168

約数和(自身を含む): 56682028368

約数和(自身を除く): 36480506768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 64, 65, 68, 80, 85, 100, 104, 130, 136, 160, 170, 200, 208, 221, 260, 272, 320, 325, 340, 400, 416, 425, 442, 520, 544, 650, 680, 800, 832, 850, 884, 1040, 1088, 1105, 1300, 1360, 1600, 1700, 1768, 2080, 2210, 2600, 2720, 3400, 3536, 4160, 4420, 5200, 5440, 5525, 6800, 7072, 8840, 10400, 11050, 13600, 14144, 17680, 20800, 22100, 27200, 35360, 44200, 57131, 70720, 88400, 114262, 176800, 228524, 285655, 353600, 457048, 571310, 742703, 914096, 971227, 1142620, 1428275, 1485406, 1828192, 1942454, 2285240, 2856550, 2970812, 3656384, 3713515, 3884908, 4570480, 4856135, 5713100, 5941624, 7427030, 7769816, 9140960, 9712270, 11426200, 11883248, 12625951, 14854060, 15539632, 18281920, 18567575, 19424540, 22852400, 23766496, 24280675, 25251902, 29708120, 31079264, 37135150, 38849080, 45704800, 47532992, 48561350, 50503804, 59416240, 62158528, 63129755, 74270300, 77698160, 91409600, 97122700, 101007608, 118832480, 126259510, 148540600, 155396320, 194245400, 202015216, 237664960, 252519020, 297081200, 310792640, 315648775, 388490800, 404030432, 505038040, 594162400, 631297550, 776981600, 808060864, 1010076080, 1188324800, 1262595100, 1553963200, 2020152160, 2525190200, 4040304320, 5050380400, 10100760800, 20201521600]

約数ペア:

[(1, 20201521600), (2, 10100760800), (4, 5050380400), (5, 4040304320), (8, 2525190200), (10, 2020152160), (13, 1553963200), (16, 1262595100), (17, 1188324800), (20, 1010076080), (25, 808060864), (26, 776981600), (32, 631297550), (34, 594162400), (40, 505038040), (50, 404030432), (52, 388490800), (64, 315648775), (65, 310792640), (68, 297081200), (80, 252519020), (85, 237664960), (100, 202015216), (104, 194245400), (130, 155396320), (136, 148540600), (160, 126259510), (170, 118832480), (200, 101007608), (208, 97122700), (221, 91409600), (260, 77698160), (272, 74270300), (320, 63129755), (325, 62158528), (340, 59416240), (400, 50503804), (416, 48561350), (425, 47532992), (442, 45704800), (520, 38849080), (544, 37135150), (650, 31079264), (680, 29708120), (800, 25251902), (832, 24280675), (850, 23766496), (884, 22852400), (1040, 19424540), (1088, 18567575), (1105, 18281920), (1300, 15539632), (1360, 14854060), (1600, 12625951), (1700, 11883248), (1768, 11426200), (2080, 9712270), (2210, 9140960), (2600, 7769816), (2720, 7427030), (3400, 5941624), (3536, 5713100), (4160, 4856135), (4420, 4570480), (5200, 3884908), (5440, 3713515), (5525, 3656384), (6800, 2970812), (7072, 2856550), (8840, 2285240), (10400, 1942454), (11050, 1828192), (13600, 1485406), (14144, 1428275), (17680, 1142620), (20800, 971227), (22100, 914096), (27200, 742703), (35360, 571310), (44200, 457048), (57131, 353600), (70720, 285655), (88400, 228524), (114262, 176800)]