20597830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 21632330

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 121, 145, 242, 290, 319, 587, 605, 638, 1174, 1210, 1595, 2935, 3190, 3509, 5870, 6457, 7018, 12914, 17023, 17545, 32285, 34046, 35090, 64570, 71027, 85115, 142054, 170230, 187253, 355135, 374506, 710270, 936265, 1872530, 2059783, 4119566, 10298915, 20597830]

約数ペア:

[(1, 20597830), (2, 10298915), (5, 4119566), (10, 2059783), (11, 1872530), (22, 936265), (29, 710270), (55, 374506), (58, 355135), (110, 187253), (121, 170230), (145, 142054), (242, 85115), (290, 71027), (319, 64570), (587, 35090), (605, 34046), (638, 32285), (1174, 17545), (1210, 17023), (1595, 12914), (2935, 7018), (3190, 6457), (3509, 5870)]