20185690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{631}}^1$

素因数の和:1102

約数の個数: 32

約数和(自身を含む): 41681664

約数和(自身を除く): 21495974

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 457, 631, 914, 1262, 2285, 3155, 3199, 4417, 4570, 6310, 6398, 8834, 15995, 22085, 31990, 44170, 288367, 576734, 1441835, 2018569, 2883670, 4037138, 10092845, 20185690]

約数ペア:

[(1, 20185690), (2, 10092845), (5, 4037138), (7, 2883670), (10, 2018569), (14, 1441835), (35, 576734), (70, 288367), (457, 44170), (631, 31990), (914, 22085), (1262, 15995), (2285, 8834), (3155, 6398), (3199, 6310), (4417, 4570)]