20129402889

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{707561}}^1$

素因数の和:707705

約数の個数: 24

約数和(自身を含む): 30354409800

約数和(自身を除く): 10225006911

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 981, 3161, 9483, 28449, 707561, 2122683, 6368049, 20519269, 61557807, 77124149, 184673421, 231372447, 694117341, 2236600321, 6709800963, 20129402889]

約数ペア:

[(1, 20129402889), (3, 6709800963), (9, 2236600321), (29, 694117341), (87, 231372447), (109, 184673421), (261, 77124149), (327, 61557807), (981, 20519269), (3161, 6368049), (9483, 2122683), (28449, 707561)]