20318064

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32561}}^1$

素因数の和:32585

約数の個数: 40

約数和(自身を含む): 56527632

約数和(自身を除く): 36209568

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32561, 65122, 97683, 130244, 195366, 260488, 390732, 423293, 520976, 781464, 846586, 1269879, 1562928, 1693172, 2539758, 3386344, 5079516, 6772688, 10159032, 20318064]

約数ペア:

[(1, 20318064), (2, 10159032), (3, 6772688), (4, 5079516), (6, 3386344), (8, 2539758), (12, 1693172), (13, 1562928), (16, 1269879), (24, 846586), (26, 781464), (39, 520976), (48, 423293), (52, 390732), (78, 260488), (104, 195366), (156, 130244), (208, 97683), (312, 65122), (624, 32561)]