20170853918

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{19997}}^1$

素因数の和:20396

約数の個数: 32

約数和(自身を含む): 31898569824

約数和(自身を除く): 11727715906

約数列:

[1, 2, 37, 43, 74, 86, 317, 634, 1591, 3182, 11729, 13631, 19997, 23458, 27262, 39994, 504347, 739889, 859871, 1008694, 1479778, 1719742, 6339049, 12678098, 31815227, 63630454, 234544813, 272579107, 469089626, 545158214, 10085426959, 20170853918]

約数ペア:

[(1, 20170853918), (2, 10085426959), (37, 545158214), (43, 469089626), (74, 272579107), (86, 234544813), (317, 63630454), (634, 31815227), (1591, 12678098), (3182, 6339049), (11729, 1719742), (13631, 1479778), (19997, 1008694), (23458, 859871), (27262, 739889), (39994, 504347)]