20438536

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{983}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 19944824

約数列:

[1, 2, 4, 8, 23, 46, 92, 113, 184, 226, 452, 904, 983, 1966, 2599, 3932, 5198, 7864, 10396, 20792, 22609, 45218, 90436, 111079, 180872, 222158, 444316, 888632, 2554817, 5109634, 10219268, 20438536]

約数ペア:

[(1, 20438536), (2, 10219268), (4, 5109634), (8, 2554817), (23, 888632), (46, 444316), (92, 222158), (113, 180872), (184, 111079), (226, 90436), (452, 45218), (904, 22609), (983, 20792), (1966, 10396), (2599, 7864), (3932, 5198)]