20967570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17921}}^1$

素因数の和:17947

約数の個数: 48

約数和(自身を含む): 58712472

約数和(自身を除く): 37744902

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17921, 35842, 53763, 89605, 107526, 161289, 179210, 232973, 268815, 322578, 465946, 537630, 698919, 806445, 1164865, 1397838, 1612890, 2096757, 2329730, 3494595, 4193514, 6989190, 10483785, 20967570]

約数ペア:

[(1, 20967570), (2, 10483785), (3, 6989190), (5, 4193514), (6, 3494595), (9, 2329730), (10, 2096757), (13, 1612890), (15, 1397838), (18, 1164865), (26, 806445), (30, 698919), (39, 537630), (45, 465946), (65, 322578), (78, 268815), (90, 232973), (117, 179210), (130, 161289), (195, 107526), (234, 89605), (390, 53763), (585, 35842), (1170, 17921)]