20155528

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 39159000

約数和(自身を除く): 19003472

約数列:

[1, 2, 4, 8, 37, 74, 148, 149, 296, 298, 457, 596, 914, 1192, 1828, 3656, 5513, 11026, 16909, 22052, 33818, 44104, 67636, 68093, 135272, 136186, 272372, 544744, 2519441, 5038882, 10077764, 20155528]

約数ペア:

[(1, 20155528), (2, 10077764), (4, 5038882), (8, 2519441), (37, 544744), (74, 272372), (148, 136186), (149, 135272), (296, 68093), (298, 67636), (457, 44104), (596, 33818), (914, 22052), (1192, 16909), (1828, 11026), (3656, 5513)]