20404683

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 33122880

約数和(自身を除く): 12718197

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 953, 1647, 2379, 2859, 7137, 8577, 12389, 21411, 25731, 37167, 58133, 111501, 174399, 334503, 523197, 755729, 1569591, 2267187, 6801561, 20404683]

約数ペア:

[(1, 20404683), (3, 6801561), (9, 2267187), (13, 1569591), (27, 755729), (39, 523197), (61, 334503), (117, 174399), (183, 111501), (351, 58133), (549, 37167), (793, 25731), (953, 21411), (1647, 12389), (2379, 8577), (2859, 7137)]