20427108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3539}}^1$

素因数の和:3596

約数の個数: 48

約数和(自身を含む): 52731840

約数和(自身を除く): 32304732

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3539, 5772, 7078, 10617, 14156, 21234, 42468, 46007, 92014, 130943, 138021, 184028, 261886, 276042, 392829, 523772, 552084, 785658, 1571316, 1702259, 3404518, 5106777, 6809036, 10213554, 20427108]

約数ペア:

[(1, 20427108), (2, 10213554), (3, 6809036), (4, 5106777), (6, 3404518), (12, 1702259), (13, 1571316), (26, 785658), (37, 552084), (39, 523772), (52, 392829), (74, 276042), (78, 261886), (111, 184028), (148, 138021), (156, 130943), (222, 92014), (444, 46007), (481, 42468), (962, 21234), (1443, 14156), (1924, 10617), (2886, 7078), (3539, 5772)]