20175773648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2683}}^1\times {\mathrm{15161}}^1$

素因数の和:17883

約数の個数: 40

約数和(自身を含む): 40369249536

約数和(自身を除く): 20193475888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2683, 5366, 10732, 15161, 21464, 30322, 42928, 60644, 83173, 121288, 166346, 242576, 332692, 469991, 665384, 939982, 1330768, 1879964, 3759928, 7519856, 40676963, 81353926, 162707852, 325415704, 650831408, 1260985853, 2521971706, 5043943412, 10087886824, 20175773648]

約数ペア:

[(1, 20175773648), (2, 10087886824), (4, 5043943412), (8, 2521971706), (16, 1260985853), (31, 650831408), (62, 325415704), (124, 162707852), (248, 81353926), (496, 40676963), (2683, 7519856), (5366, 3759928), (10732, 1879964), (15161, 1330768), (21464, 939982), (30322, 665384), (42928, 469991), (60644, 332692), (83173, 242576), (121288, 166346)]