20782808

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1873}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 41602800

約数和(自身を除く): 20819992

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1873, 2774, 3746, 5548, 7492, 11096, 14984, 35587, 71174, 136729, 142348, 273458, 284696, 546916, 1093832, 2597851, 5195702, 10391404, 20782808]

約数ペア:

[(1, 20782808), (2, 10391404), (4, 5195702), (8, 2597851), (19, 1093832), (38, 546916), (73, 284696), (76, 273458), (146, 142348), (152, 136729), (292, 71174), (584, 35587), (1387, 14984), (1873, 11096), (2774, 7492), (3746, 5548)]