20963172560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2165617}}^1$

素因数の和:2165652

約数の個数: 60

約数和(自身を含む): 53573058084

約数和(自身を除く): 32609885524

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 2165617, 4331234, 8662468, 10828085, 17324936, 21656170, 23821787, 34649872, 43312340, 47643574, 86624680, 95287148, 119108935, 173249360, 190574296, 238217870, 262039657, 381148592, 476435740, 524079314, 952871480, 1048158628, 1310198285, 1905742960, 2096317256, 2620396570, 4192634512, 5240793140, 10481586280, 20963172560]

約数ペア:

[(1, 20963172560), (2, 10481586280), (4, 5240793140), (5, 4192634512), (8, 2620396570), (10, 2096317256), (11, 1905742960), (16, 1310198285), (20, 1048158628), (22, 952871480), (40, 524079314), (44, 476435740), (55, 381148592), (80, 262039657), (88, 238217870), (110, 190574296), (121, 173249360), (176, 119108935), (220, 95287148), (242, 86624680), (440, 47643574), (484, 43312340), (605, 34649872), (880, 23821787), (968, 21656170), (1210, 17324936), (1936, 10828085), (2420, 8662468), (4840, 4331234), (9680, 2165617)]