20651559981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{547}}^1\times {\mathrm{5939}}^1$

素因数の和:6665

約数の個数: 32

約数和(自身を含む): 29895022080

約数和(自身を除く): 9243462099

約数列:

[1, 3, 13, 39, 163, 489, 547, 1641, 2119, 5939, 6357, 7111, 17817, 21333, 77207, 89161, 231621, 267483, 968057, 1159093, 2904171, 3248633, 3477279, 9745899, 12584741, 37754223, 42232229, 126696687, 529527179, 1588581537, 6883853327, 20651559981]

約数ペア:

[(1, 20651559981), (3, 6883853327), (13, 1588581537), (39, 529527179), (163, 126696687), (489, 42232229), (547, 37754223), (1641, 12584741), (2119, 9745899), (5939, 3477279), (6357, 3248633), (7111, 2904171), (17817, 1159093), (21333, 968057), (77207, 267483), (89161, 231621)]