12221220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18517}}^1$

素因数の和:18540

約数の個数: 48

約数和(自身を含む): 37332288

約数和(自身を除く): 25111068

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 18517, 37034, 55551, 74068, 92585, 111102, 185170, 203687, 222204, 277755, 370340, 407374, 555510, 611061, 814748, 1018435, 1111020, 1222122, 2036870, 2444244, 3055305, 4073740, 6110610, 12221220]

約数ペア:

[(1, 12221220), (2, 6110610), (3, 4073740), (4, 3055305), (5, 2444244), (6, 2036870), (10, 1222122), (11, 1111020), (12, 1018435), (15, 814748), (20, 611061), (22, 555510), (30, 407374), (33, 370340), (44, 277755), (55, 222204), (60, 203687), (66, 185170), (110, 111102), (132, 92585), (165, 74068), (220, 55551), (330, 37034), (660, 18517)]