20101060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4951}}^1$

素因数の和:4996

約数の個数: 48

約数和(自身を含む): 49916160

約数和(自身を除く): 29815100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4951, 9902, 19804, 24755, 34657, 49510, 69314, 99020, 138628, 143579, 173285, 287158, 346570, 574316, 693140, 717895, 1005053, 1435790, 2010106, 2871580, 4020212, 5025265, 10050530, 20101060]

約数ペア:

[(1, 20101060), (2, 10050530), (4, 5025265), (5, 4020212), (7, 2871580), (10, 2010106), (14, 1435790), (20, 1005053), (28, 717895), (29, 693140), (35, 574316), (58, 346570), (70, 287158), (116, 173285), (140, 143579), (145, 138628), (203, 99020), (290, 69314), (406, 49510), (580, 34657), (812, 24755), (1015, 19804), (2030, 9902), (4060, 4951)]