20577883408

素因数分解:

$2^4\times {\mathrm{1091}}^1\times {\mathrm{1178843}}^1$

素因数の和:1179942

約数の個数: 20

約数和(自身を含む): 39906227088

約数和(自身を除く): 19328343680

約数列:

[1, 2, 4, 8, 16, 1091, 2182, 4364, 8728, 17456, 1178843, 2357686, 4715372, 9430744, 18861488, 1286117713, 2572235426, 5144470852, 10288941704, 20577883408]

約数ペア:

[(1, 20577883408), (2, 10288941704), (4, 5144470852), (8, 2572235426), (16, 1286117713), (1091, 18861488), (2182, 9430744), (4364, 4715372), (8728, 2357686), (17456, 1178843)]