20807577

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 35654400

約数和(自身を除く): 14846823

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1237, 1869, 2403, 3711, 5607, 8659, 11133, 16821, 25977, 33399, 77931, 110093, 233793, 330279, 770651, 990837, 2311953, 2972511, 6935859, 20807577]

約数ペア:

[(1, 20807577), (3, 6935859), (7, 2972511), (9, 2311953), (21, 990837), (27, 770651), (63, 330279), (89, 233793), (189, 110093), (267, 77931), (623, 33399), (801, 25977), (1237, 16821), (1869, 11133), (2403, 8659), (3711, 5607)]