20628530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1483}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 40388544

約数和(自身を除く): 19760014

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 1483, 2782, 2966, 6955, 7415, 13910, 14830, 19279, 38558, 96395, 158681, 192790, 317362, 793405, 1586810, 2062853, 4125706, 10314265, 20628530]

約数ペア:

[(1, 20628530), (2, 10314265), (5, 4125706), (10, 2062853), (13, 1586810), (26, 793405), (65, 317362), (107, 192790), (130, 158681), (214, 96395), (535, 38558), (1070, 19279), (1391, 14830), (1483, 13910), (2782, 7415), (2966, 6955)]