20766278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 35696640

約数和(自身を除く): 14930362

約数列:

[1, 2, 13, 19, 26, 38, 127, 247, 254, 331, 494, 662, 1651, 2413, 3302, 4303, 4826, 6289, 8606, 12578, 31369, 42037, 62738, 81757, 84074, 163514, 546481, 798703, 1092962, 1597406, 10383139, 20766278]

約数ペア:

[(1, 20766278), (2, 10383139), (13, 1597406), (19, 1092962), (26, 798703), (38, 546481), (127, 163514), (247, 84074), (254, 81757), (331, 62738), (494, 42037), (662, 31369), (1651, 12578), (2413, 8606), (3302, 6289), (4303, 4826)]