20344320

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{883}}^1$

素因数の和:912

約数の個数: 120

約数和(自身を含む): 70537896

約数和(自身を除く): 50193576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 883, 960, 1152, 1280, 1440, 1536, 1766, 1920, 2304, 2560, 2649, 2880, 3532, 3840, 4415, 4608, 5298, 5760, 7064, 7680, 7947, 8830, 10596, 11520, 13245, 14128, 15894, 17660, 21192, 23040, 26490, 28256, 31788, 35320, 39735, 42384, 52980, 56512, 63576, 70640, 79470, 84768, 105960, 113024, 127152, 141280, 158940, 169536, 211920, 226048, 254304, 282560, 317880, 339072, 423840, 452096, 508608, 565120, 635760, 678144, 847680, 1017216, 1130240, 1271520, 1356288, 1695360, 2034432, 2260480, 2543040, 3390720, 4068864, 5086080, 6781440, 10172160, 20344320]

約数ペア:

[(1, 20344320), (2, 10172160), (3, 6781440), (4, 5086080), (5, 4068864), (6, 3390720), (8, 2543040), (9, 2260480), (10, 2034432), (12, 1695360), (15, 1356288), (16, 1271520), (18, 1130240), (20, 1017216), (24, 847680), (30, 678144), (32, 635760), (36, 565120), (40, 508608), (45, 452096), (48, 423840), (60, 339072), (64, 317880), (72, 282560), (80, 254304), (90, 226048), (96, 211920), (120, 169536), (128, 158940), (144, 141280), (160, 127152), (180, 113024), (192, 105960), (240, 84768), (256, 79470), (288, 70640), (320, 63576), (360, 56512), (384, 52980), (480, 42384), (512, 39735), (576, 35320), (640, 31788), (720, 28256), (768, 26490), (883, 23040), (960, 21192), (1152, 17660), (1280, 15894), (1440, 14128), (1536, 13245), (1766, 11520), (1920, 10596), (2304, 8830), (2560, 7947), (2649, 7680), (2880, 7064), (3532, 5760), (3840, 5298), (4415, 4608)]