20637032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3333

約数の個数: 32

約数和(自身を含む): 42367080

約数和(自身を除く): 21730048

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 3253, 6344, 6506, 13012, 26024, 42289, 84578, 169156, 198433, 338312, 396866, 793732, 1587464, 2579629, 5159258, 10318516, 20637032]

約数ペア:

[(1, 20637032), (2, 10318516), (4, 5159258), (8, 2579629), (13, 1587464), (26, 793732), (52, 396866), (61, 338312), (104, 198433), (122, 169156), (244, 84578), (488, 42289), (793, 26024), (1586, 13012), (3172, 6506), (3253, 6344)]