20512187734

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 31369420800

約数和(自身を除く): 10857233066

約数列:

[1, 2, 79, 158, 269, 487, 538, 974, 991, 1982, 21251, 38473, 42502, 76946, 78289, 131003, 156578, 262006, 266579, 482617, 533158, 965234, 10349237, 20698474, 21059741, 38126743, 42119482, 76253486, 129823973, 259647946, 10256093867, 20512187734]

約数ペア:

[(1, 20512187734), (2, 10256093867), (79, 259647946), (158, 129823973), (269, 76253486), (487, 42119482), (538, 38126743), (974, 21059741), (991, 20698474), (1982, 10349237), (21251, 965234), (38473, 533158), (42502, 482617), (76946, 266579), (78289, 262006), (131003, 156578)]