20216277513

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{44497}}^1$

素因数の和:44659

約数の個数: 40

約数和(自身を含む): 31013326080

約数和(自身を除く): 10797048567

約数列:

[1, 3, 9, 27, 71, 79, 81, 213, 237, 639, 711, 1917, 2133, 5609, 5751, 6399, 16827, 44497, 50481, 133491, 151443, 400473, 454329, 1201419, 3159287, 3515263, 3604257, 9477861, 10545789, 28433583, 31637367, 85300749, 94912101, 249583673, 255902247, 284736303, 748751019, 2246253057, 6738759171, 20216277513]

約数ペア:

[(1, 20216277513), (3, 6738759171), (9, 2246253057), (27, 748751019), (71, 284736303), (79, 255902247), (81, 249583673), (213, 94912101), (237, 85300749), (639, 31637367), (711, 28433583), (1917, 10545789), (2133, 9477861), (5609, 3604257), (5751, 3515263), (6399, 3159287), (16827, 1201419), (44497, 454329), (50481, 400473), (133491, 151443)]