20509770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9629}}^1$

素因数の和:9710

約数の個数: 32

約数和(自身を含む): 49921920

約数和(自身を除く): 29412150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9629, 19258, 28887, 48145, 57774, 96290, 144435, 288870, 683659, 1367318, 2050977, 3418295, 4101954, 6836590, 10254885, 20509770]

約数ペア:

[(1, 20509770), (2, 10254885), (3, 6836590), (5, 4101954), (6, 3418295), (10, 2050977), (15, 1367318), (30, 683659), (71, 288870), (142, 144435), (213, 96290), (355, 57774), (426, 48145), (710, 28887), (1065, 19258), (2130, 9629)]