20512395940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{92993}}^1$

素因数の和:93312

約数の個数: 48

約数和(自身を含む): 44291182320

約数和(自身を除く): 23778786380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 269, 410, 538, 820, 1076, 1345, 2690, 5380, 11029, 22058, 44116, 55145, 92993, 110290, 185986, 220580, 371972, 464965, 929930, 1859860, 3812713, 7625426, 15250852, 19063565, 25015117, 38127130, 50030234, 76254260, 100060468, 125075585, 250151170, 500302340, 1025619797, 2051239594, 4102479188, 5128098985, 10256197970, 20512395940]

約数ペア:

[(1, 20512395940), (2, 10256197970), (4, 5128098985), (5, 4102479188), (10, 2051239594), (20, 1025619797), (41, 500302340), (82, 250151170), (164, 125075585), (205, 100060468), (269, 76254260), (410, 50030234), (538, 38127130), (820, 25015117), (1076, 19063565), (1345, 15250852), (2690, 7625426), (5380, 3812713), (11029, 1859860), (22058, 929930), (44116, 464965), (55145, 371972), (92993, 220580), (110290, 185986)]