20121773780

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6662839}}^1$

素因数の和:6662999

約数の個数: 24

約数和(自身を含む): 42535570560

約数和(自身を除く): 22413796780

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6662839, 13325678, 26651356, 33314195, 66628390, 133256780, 1006088689, 2012177378, 4024354756, 5030443445, 10060886890, 20121773780]

約数ペア:

[(1, 20121773780), (2, 10060886890), (4, 5030443445), (5, 4024354756), (10, 2012177378), (20, 1006088689), (151, 133256780), (302, 66628390), (604, 33314195), (755, 26651356), (1510, 13325678), (3020, 6662839)]