20132800821

素因数分解:

$3^2\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{260023}}^1$

素因数の和:261265

約数の個数: 24

約数和(自身を含む): 33262270080

約数和(自身を除く): 13129469259

約数列:

[1, 3, 7, 9, 21, 63, 1229, 3687, 8603, 11061, 25809, 77427, 260023, 780069, 1820161, 2340207, 5460483, 16381449, 319568267, 958704801, 2236977869, 2876114403, 6710933607, 20132800821]

約数ペア:

[(1, 20132800821), (3, 6710933607), (7, 2876114403), (9, 2236977869), (21, 958704801), (63, 319568267), (1229, 16381449), (3687, 5460483), (8603, 2340207), (11061, 1820161), (25809, 780069), (77427, 260023)]