20731657210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{157189}}^1$

素因数の和:157327

約数の個数: 48

約数和(自身を含む): 41394414600

約数和(自身を除く): 20662757390

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 121, 218, 242, 545, 605, 1090, 1199, 1210, 2398, 5995, 11990, 13189, 26378, 65945, 131890, 157189, 314378, 785945, 1571890, 1729079, 3458158, 8645395, 17133601, 17290790, 19019869, 34267202, 38039738, 85668005, 95099345, 171336010, 188469611, 190198690, 376939222, 942348055, 1884696110, 2073165721, 4146331442, 10365828605, 20731657210]

約数ペア:

[(1, 20731657210), (2, 10365828605), (5, 4146331442), (10, 2073165721), (11, 1884696110), (22, 942348055), (55, 376939222), (109, 190198690), (110, 188469611), (121, 171336010), (218, 95099345), (242, 85668005), (545, 38039738), (605, 34267202), (1090, 19019869), (1199, 17290790), (1210, 17133601), (2398, 8645395), (5995, 3458158), (11990, 1729079), (13189, 1571890), (26378, 785945), (65945, 314378), (131890, 157189)]