20259564

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 51767520

約数和(自身を除く): 31507956

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2129, 2379, 3172, 4258, 4758, 6387, 8516, 9516, 12774, 25548, 27677, 55354, 83031, 110708, 129869, 166062, 259738, 332124, 389607, 519476, 779214, 1558428, 1688297, 3376594, 5064891, 6753188, 10129782, 20259564]

約数ペア:

[(1, 20259564), (2, 10129782), (3, 6753188), (4, 5064891), (6, 3376594), (12, 1688297), (13, 1558428), (26, 779214), (39, 519476), (52, 389607), (61, 332124), (78, 259738), (122, 166062), (156, 129869), (183, 110708), (244, 83031), (366, 55354), (732, 27677), (793, 25548), (1586, 12774), (2129, 9516), (2379, 8516), (3172, 6387), (4258, 4758)]