20123701900

素因数分解:

$2^2\times 5^2\times {\mathrm{5449}}^1\times {\mathrm{36931}}^1$

素因数の和:42394

約数の個数: 36

約数和(自身を含む): 43677629800

約数和(自身を除く): 23553927900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 5449, 10898, 21796, 27245, 36931, 54490, 73862, 108980, 136225, 147724, 184655, 272450, 369310, 544900, 738620, 923275, 1846550, 3693100, 201237019, 402474038, 804948076, 1006185095, 2012370190, 4024740380, 5030925475, 10061850950, 20123701900]

約数ペア:

[(1, 20123701900), (2, 10061850950), (4, 5030925475), (5, 4024740380), (10, 2012370190), (20, 1006185095), (25, 804948076), (50, 402474038), (100, 201237019), (5449, 3693100), (10898, 1846550), (21796, 923275), (27245, 738620), (36931, 544900), (54490, 369310), (73862, 272450), (108980, 184655), (136225, 147724)]