20131470064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{505511}}^1$

素因数の和:505669

約数の個数: 40

約数和(自身を含む): 41371102080

約数和(自身を除く): 21239632016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 2096, 2489, 4978, 9956, 19912, 39824, 505511, 1011022, 2022044, 4044088, 8088176, 9604709, 19209418, 38418836, 66221941, 76837672, 132443882, 153675344, 264887764, 529775528, 1059551056, 1258216879, 2516433758, 5032867516, 10065735032, 20131470064]

約数ペア:

[(1, 20131470064), (2, 10065735032), (4, 5032867516), (8, 2516433758), (16, 1258216879), (19, 1059551056), (38, 529775528), (76, 264887764), (131, 153675344), (152, 132443882), (262, 76837672), (304, 66221941), (524, 38418836), (1048, 19209418), (2096, 9604709), (2489, 8088176), (4978, 4044088), (9956, 2022044), (19912, 1011022), (39824, 505511)]