20883420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4297}}^1$

素因数の和:4321

約数の個数: 72

約数和(自身を含む): 65707824

約数和(自身を除く): 44824404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4297, 4860, 8594, 12891, 17188, 21485, 25782, 38673, 42970, 51564, 64455, 77346, 85940, 116019, 128910, 154692, 193365, 232038, 257820, 348057, 386730, 464076, 580095, 696114, 773460, 1044171, 1160190, 1392228, 1740285, 2088342, 2320380, 3480570, 4176684, 5220855, 6961140, 10441710, 20883420]

約数ペア:

[(1, 20883420), (2, 10441710), (3, 6961140), (4, 5220855), (5, 4176684), (6, 3480570), (9, 2320380), (10, 2088342), (12, 1740285), (15, 1392228), (18, 1160190), (20, 1044171), (27, 773460), (30, 696114), (36, 580095), (45, 464076), (54, 386730), (60, 348057), (81, 257820), (90, 232038), (108, 193365), (135, 154692), (162, 128910), (180, 116019), (243, 85940), (270, 77346), (324, 64455), (405, 51564), (486, 42970), (540, 38673), (810, 25782), (972, 21485), (1215, 17188), (1620, 12891), (2430, 8594), (4297, 4860)]