20108528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1873}}^1$

素因数の和:1953

約数の個数: 40

約数和(自身を含む): 43221936

約数和(自身を除く): 23113408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 1873, 2684, 3746, 5368, 7492, 10736, 14984, 20603, 29968, 41206, 82412, 114253, 164824, 228506, 329648, 457012, 914024, 1256783, 1828048, 2513566, 5027132, 10054264, 20108528]

約数ペア:

[(1, 20108528), (2, 10054264), (4, 5027132), (8, 2513566), (11, 1828048), (16, 1256783), (22, 914024), (44, 457012), (61, 329648), (88, 228506), (122, 164824), (176, 114253), (244, 82412), (488, 41206), (671, 29968), (976, 20603), (1342, 14984), (1873, 10736), (2684, 7492), (3746, 5368)]