20613998

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{811}}^1$

素因数の和:1063

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 10956562

約数列:

[1, 2, 71, 142, 179, 358, 811, 1622, 12709, 25418, 57581, 115162, 145169, 290338, 10306999, 20613998]

約数ペア:

[(1, 20613998), (2, 10306999), (71, 290338), (142, 145169), (179, 115162), (358, 57581), (811, 25418), (1622, 12709)]