20928589

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 23549760

約数和(自身を除く): 2621171

約数列:

[1, 11, 67, 73, 389, 737, 803, 4279, 4891, 26063, 28397, 53801, 286693, 312367, 1902599, 20928589]

約数ペア:

[(1, 20928589), (11, 1902599), (67, 312367), (73, 286693), (389, 53801), (737, 28397), (803, 26063), (4279, 4891)]