20151728

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1553}}^1$

素因数の和:2372

約数の個数: 20

約数和(自身を含む): 39117288

約数和(自身を除く): 18965560

約数列:

[1, 2, 4, 8, 16, 811, 1553, 1622, 3106, 3244, 6212, 6488, 12424, 12976, 24848, 1259483, 2518966, 5037932, 10075864, 20151728]

約数ペア:

[(1, 20151728), (2, 10075864), (4, 5037932), (8, 2518966), (16, 1259483), (811, 24848), (1553, 12976), (1622, 12424), (3106, 6488), (3244, 6212)]