22620620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 52164000

約数和(自身を除く): 29543380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 449, 458, 898, 916, 1145, 1796, 2245, 2290, 2519, 4490, 4580, 4939, 5038, 8980, 9878, 10076, 12595, 19756, 24695, 25190, 49390, 50380, 98780, 102821, 205642, 411284, 514105, 1028210, 1131031, 2056420, 2262062, 4524124, 5655155, 11310310, 22620620]

約数ペア:

[(1, 22620620), (2, 11310310), (4, 5655155), (5, 4524124), (10, 2262062), (11, 2056420), (20, 1131031), (22, 1028210), (44, 514105), (55, 411284), (110, 205642), (220, 102821), (229, 98780), (449, 50380), (458, 49390), (898, 25190), (916, 24695), (1145, 19756), (1796, 12595), (2245, 10076), (2290, 9878), (2519, 8980), (4490, 5038), (4580, 4939)]