20536440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3229}}^1$

素因数の和:3296

約数の個数: 64

約数和(自身を含む): 62791200

約数和(自身を除く): 42254760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3229, 6360, 6458, 9687, 12916, 16145, 19374, 25832, 32290, 38748, 48435, 64580, 77496, 96870, 129160, 171137, 193740, 342274, 387480, 513411, 684548, 855685, 1026822, 1369096, 1711370, 2053644, 2567055, 3422740, 4107288, 5134110, 6845480, 10268220, 20536440]

約数ペア:

[(1, 20536440), (2, 10268220), (3, 6845480), (4, 5134110), (5, 4107288), (6, 3422740), (8, 2567055), (10, 2053644), (12, 1711370), (15, 1369096), (20, 1026822), (24, 855685), (30, 684548), (40, 513411), (53, 387480), (60, 342274), (106, 193740), (120, 171137), (159, 129160), (212, 96870), (265, 77496), (318, 64580), (424, 48435), (530, 38748), (636, 32290), (795, 25832), (1060, 19374), (1272, 16145), (1590, 12916), (2120, 9687), (3180, 6458), (3229, 6360)]