22021780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3229}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 30071660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3229, 3410, 6458, 6820, 12916, 16145, 32290, 35519, 64580, 71038, 100099, 142076, 177595, 200198, 355190, 400396, 500495, 710380, 1000990, 1101089, 2001980, 2202178, 4404356, 5505445, 11010890, 22021780]

約数ペア:

[(1, 22021780), (2, 11010890), (4, 5505445), (5, 4404356), (10, 2202178), (11, 2001980), (20, 1101089), (22, 1000990), (31, 710380), (44, 500495), (55, 400396), (62, 355190), (110, 200198), (124, 177595), (155, 142076), (220, 100099), (310, 71038), (341, 64580), (620, 35519), (682, 32290), (1364, 16145), (1705, 12916), (3229, 6820), (3410, 6458)]