20465331

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 10223949

約数列:

[1, 3, 17, 23, 51, 69, 73, 219, 239, 391, 717, 1173, 1241, 1679, 3723, 4063, 5037, 5497, 12189, 16491, 17447, 28543, 52341, 85629, 93449, 280347, 296599, 401281, 889797, 1203843, 6821777, 20465331]

約数ペア:

[(1, 20465331), (3, 6821777), (17, 1203843), (23, 889797), (51, 401281), (69, 296599), (73, 280347), (219, 93449), (239, 85629), (391, 52341), (717, 28543), (1173, 17447), (1241, 16491), (1679, 12189), (3723, 5497), (4063, 5037)]