20129008

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{2039}}^1$

素因数の和:2664

約数の個数: 20

約数和(自身を含む): 39082320

約数和(自身を除く): 18953312

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2039, 2468, 4078, 4936, 8156, 9872, 16312, 32624, 1258063, 2516126, 5032252, 10064504, 20129008]

約数ペア:

[(1, 20129008), (2, 10064504), (4, 5032252), (8, 2516126), (16, 1258063), (617, 32624), (1234, 16312), (2039, 9872), (2468, 8156), (4078, 4936)]