20809924605

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{176303}}^1$

素因数の和:176418

約数の個数: 48

約数和(自身を含む): 37514670336

約数和(自身を除く): 16704745731

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 645, 915, 1935, 2623, 2745, 7869, 13115, 23607, 39345, 118035, 176303, 528909, 881515, 1586727, 2644545, 7581029, 7933635, 10754483, 22743087, 32263449, 37905145, 53772415, 68229261, 96790347, 113715435, 161317245, 341146305, 462442769, 483951735, 1387328307, 2312213845, 4161984921, 6936641535, 20809924605]

約数ペア:

[(1, 20809924605), (3, 6936641535), (5, 4161984921), (9, 2312213845), (15, 1387328307), (43, 483951735), (45, 462442769), (61, 341146305), (129, 161317245), (183, 113715435), (215, 96790347), (305, 68229261), (387, 53772415), (549, 37905145), (645, 32263449), (915, 22743087), (1935, 10754483), (2623, 7933635), (2745, 7581029), (7869, 2644545), (13115, 1586727), (23607, 881515), (39345, 528909), (118035, 176303)]