20636460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8819}}^1$

素因数の和:8847

約数の個数: 72

約数和(自身を含む): 67420080

約数和(自身を除く): 46783620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8819, 17638, 26457, 35276, 44095, 52914, 79371, 88190, 105828, 114647, 132285, 158742, 176380, 229294, 264570, 317484, 343941, 396855, 458588, 529140, 573235, 687882, 793710, 1031823, 1146470, 1375764, 1587420, 1719705, 2063646, 2292940, 3439410, 4127292, 5159115, 6878820, 10318230, 20636460]

約数ペア:

[(1, 20636460), (2, 10318230), (3, 6878820), (4, 5159115), (5, 4127292), (6, 3439410), (9, 2292940), (10, 2063646), (12, 1719705), (13, 1587420), (15, 1375764), (18, 1146470), (20, 1031823), (26, 793710), (30, 687882), (36, 573235), (39, 529140), (45, 458588), (52, 396855), (60, 343941), (65, 317484), (78, 264570), (90, 229294), (117, 176380), (130, 158742), (156, 132285), (180, 114647), (195, 105828), (234, 88190), (260, 79371), (390, 52914), (468, 44095), (585, 35276), (780, 26457), (1170, 17638), (2340, 8819)]