20145969830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1363979}}^1$

素因数の和:1364204

約数の個数: 32

約数和(自身を含む): 41639581440

約数和(自身を除く): 21493611610

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 14770, 1363979, 2727958, 6819895, 9547853, 13639790, 19095706, 47739265, 95478530, 287799569, 575599138, 1438997845, 2014596983, 2877995690, 4029193966, 10072984915, 20145969830]

約数ペア:

[(1, 20145969830), (2, 10072984915), (5, 4029193966), (7, 2877995690), (10, 2014596983), (14, 1438997845), (35, 575599138), (70, 287799569), (211, 95478530), (422, 47739265), (1055, 19095706), (1477, 13639790), (2110, 9547853), (2954, 6819895), (7385, 2727958), (14770, 1363979)]