20698416

素因数分解:

$2^4\times 3^4\times {\mathrm{15971}}^1$

素因数の和:15991

約数の個数: 50

約数和(自身を含む): 59910972

約数和(自身を除く): 39212556

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15971, 31942, 47913, 63884, 95826, 127768, 143739, 191652, 255536, 287478, 383304, 431217, 574956, 766608, 862434, 1149912, 1293651, 1724868, 2299824, 2587302, 3449736, 5174604, 6899472, 10349208, 20698416]

約数ペア:

[(1, 20698416), (2, 10349208), (3, 6899472), (4, 5174604), (6, 3449736), (8, 2587302), (9, 2299824), (12, 1724868), (16, 1293651), (18, 1149912), (24, 862434), (27, 766608), (36, 574956), (48, 431217), (54, 383304), (72, 287478), (81, 255536), (108, 191652), (144, 143739), (162, 127768), (216, 95826), (324, 63884), (432, 47913), (648, 31942), (1296, 15971)]