20819604

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3607}}^1$

素因数の和:3664

約数の個数: 48

約数和(自身を含む): 53744768

約数和(自身を除く): 32925164

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, 3607, 5772, 7214, 10821, 14428, 21642, 43284, 46891, 93782, 133459, 140673, 187564, 266918, 281346, 400377, 533836, 562692, 800754, 1601508, 1734967, 3469934, 5204901, 6939868, 10409802, 20819604]

約数ペア:

[(1, 20819604), (2, 10409802), (3, 6939868), (4, 5204901), (6, 3469934), (12, 1734967), (13, 1601508), (26, 800754), (37, 562692), (39, 533836), (52, 400377), (74, 281346), (78, 266918), (111, 187564), (148, 140673), (156, 133459), (222, 93782), (444, 46891), (481, 43284), (962, 21642), (1443, 14428), (1924, 10821), (2886, 7214), (3607, 5772)]