20105490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2473}}^1$

素因数の和:2754

約数の個数: 32

約数和(自身を含む): 48450816

約数和(自身を除く): 28345326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 271, 542, 813, 1355, 1626, 2473, 2710, 4065, 4946, 7419, 8130, 12365, 14838, 24730, 37095, 74190, 670183, 1340366, 2010549, 3350915, 4021098, 6701830, 10052745, 20105490]

約数ペア:

[(1, 20105490), (2, 10052745), (3, 6701830), (5, 4021098), (6, 3350915), (10, 2010549), (15, 1340366), (30, 670183), (271, 74190), (542, 37095), (813, 24730), (1355, 14838), (1626, 12365), (2473, 8130), (2710, 7419), (4065, 4946)]