20114811

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 32497920

約数和(自身を除く): 12383109

約数列:

[1, 3, 9, 23, 27, 59, 61, 69, 81, 177, 183, 207, 243, 531, 549, 621, 1357, 1403, 1593, 1647, 1863, 3599, 4071, 4209, 4779, 4941, 5589, 10797, 12213, 12627, 14337, 14823, 32391, 36639, 37881, 82777, 97173, 109917, 113643, 248331, 291519, 329751, 340929, 744993, 874557, 2234979, 6704937, 20114811]

約数ペア:

[(1, 20114811), (3, 6704937), (9, 2234979), (23, 874557), (27, 744993), (59, 340929), (61, 329751), (69, 291519), (81, 248331), (177, 113643), (183, 109917), (207, 97173), (243, 82777), (531, 37881), (549, 36639), (621, 32391), (1357, 14823), (1403, 14337), (1593, 12627), (1647, 12213), (1863, 10797), (3599, 5589), (4071, 4941), (4209, 4779)]