20810936280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1365547}}^1$

素因数の和:1365688

約数の個数: 64

約数和(自身を含む): 62924451840

約数和(自身を除く): 42113515560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2540, 3048, 3810, 5080, 7620, 15240, 1365547, 2731094, 4096641, 5462188, 6827735, 8193282, 10924376, 13655470, 16386564, 20483205, 27310940, 32773128, 40966410, 54621880, 81932820, 163865640, 173424469, 346848938, 520273407, 693697876, 867122345, 1040546814, 1387395752, 1734244690, 2081093628, 2601367035, 3468489380, 4162187256, 5202734070, 6936978760, 10405468140, 20810936280]

約数ペア:

[(1, 20810936280), (2, 10405468140), (3, 6936978760), (4, 5202734070), (5, 4162187256), (6, 3468489380), (8, 2601367035), (10, 2081093628), (12, 1734244690), (15, 1387395752), (20, 1040546814), (24, 867122345), (30, 693697876), (40, 520273407), (60, 346848938), (120, 173424469), (127, 163865640), (254, 81932820), (381, 54621880), (508, 40966410), (635, 32773128), (762, 27310940), (1016, 20483205), (1270, 16386564), (1524, 13655470), (1905, 10924376), (2540, 8193282), (3048, 6827735), (3810, 5462188), (5080, 4096641), (7620, 2731094), (15240, 1365547)]