20032040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2467}}^1$

素因数の和:2514

約数の個数: 64

約数和(自身を含む): 53308800

約数和(自身を除く): 33276760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2467, 4060, 4934, 8120, 9868, 12335, 17269, 19736, 24670, 34538, 49340, 69076, 71543, 86345, 98680, 138152, 143086, 172690, 286172, 345380, 357715, 500801, 572344, 690760, 715430, 1001602, 1430860, 2003204, 2504005, 2861720, 4006408, 5008010, 10016020, 20032040]

約数ペア:

[(1, 20032040), (2, 10016020), (4, 5008010), (5, 4006408), (7, 2861720), (8, 2504005), (10, 2003204), (14, 1430860), (20, 1001602), (28, 715430), (29, 690760), (35, 572344), (40, 500801), (56, 357715), (58, 345380), (70, 286172), (116, 172690), (140, 143086), (145, 138152), (203, 98680), (232, 86345), (280, 71543), (290, 69076), (406, 49340), (580, 34538), (812, 24670), (1015, 19736), (1160, 17269), (1624, 12335), (2030, 9868), (2467, 8120), (4060, 4934)]