20846460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2213}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 58768416

約数和(自身を除く): 37921956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2213, 2355, 3140, 4426, 4710, 6639, 8852, 9420, 11065, 13278, 22130, 26556, 33195, 44260, 66390, 132780, 347441, 694882, 1042323, 1389764, 1737205, 2084646, 3474410, 4169292, 5211615, 6948820, 10423230, 20846460]

約数ペア:

[(1, 20846460), (2, 10423230), (3, 6948820), (4, 5211615), (5, 4169292), (6, 3474410), (10, 2084646), (12, 1737205), (15, 1389764), (20, 1042323), (30, 694882), (60, 347441), (157, 132780), (314, 66390), (471, 44260), (628, 33195), (785, 26556), (942, 22130), (1570, 13278), (1884, 11065), (2213, 9420), (2355, 8852), (3140, 6639), (4426, 4710)]