20878584

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{701}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 56103840

約数和(自身を除く): 35225256

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 73, 102, 136, 146, 204, 219, 292, 408, 438, 584, 701, 876, 1241, 1402, 1752, 2103, 2482, 2804, 3723, 4206, 4964, 5608, 7446, 8412, 9928, 11917, 14892, 16824, 23834, 29784, 35751, 47668, 51173, 71502, 95336, 102346, 143004, 153519, 204692, 286008, 307038, 409384, 614076, 869941, 1228152, 1739882, 2609823, 3479764, 5219646, 6959528, 10439292, 20878584]

約数ペア:

[(1, 20878584), (2, 10439292), (3, 6959528), (4, 5219646), (6, 3479764), (8, 2609823), (12, 1739882), (17, 1228152), (24, 869941), (34, 614076), (51, 409384), (68, 307038), (73, 286008), (102, 204692), (136, 153519), (146, 143004), (204, 102346), (219, 95336), (292, 71502), (408, 51173), (438, 47668), (584, 35751), (701, 29784), (876, 23834), (1241, 16824), (1402, 14892), (1752, 11917), (2103, 9928), (2482, 8412), (2804, 7446), (3723, 5608), (4206, 4964)]