20123992862

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{21407}}^1$

素因数の和:22112

約数の個数: 32

約数和(自身を含む): 32757322752

約数和(自身を除く): 12633329890

約数列:

[1, 2, 17, 34, 43, 86, 643, 731, 1286, 1462, 10931, 21407, 21862, 27649, 42814, 55298, 363919, 470033, 727838, 920501, 940066, 1841002, 13764701, 15648517, 27529402, 31297034, 233999917, 467999834, 591882143, 1183764286, 10061996431, 20123992862]

約数ペア:

[(1, 20123992862), (2, 10061996431), (17, 1183764286), (34, 591882143), (43, 467999834), (86, 233999917), (643, 31297034), (731, 27529402), (1286, 15648517), (1462, 13764701), (10931, 1841002), (21407, 940066), (21862, 920501), (27649, 727838), (42814, 470033), (55298, 363919)]