20403721835

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2417}}^1\times {\mathrm{8317}}^1$

素因数の和:10775

約数の個数: 32

約数和(自身を含む): 28962610560

約数和(自身を除く): 8558888725

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 2417, 8317, 12085, 16919, 41585, 58219, 70093, 84595, 241193, 291095, 350465, 490651, 1205965, 1688351, 2453255, 8441755, 20102189, 100510945, 140715323, 582963481, 703576615, 2914817405, 4080744367, 20403721835]

約数ペア:

[(1, 20403721835), (5, 4080744367), (7, 2914817405), (29, 703576615), (35, 582963481), (145, 140715323), (203, 100510945), (1015, 20102189), (2417, 8441755), (8317, 2453255), (12085, 1688351), (16919, 1205965), (41585, 490651), (58219, 350465), (70093, 291095), (84595, 241193)]