20733272

素因数分解:

$2^3\times 7^2\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 45615960

約数和(自身を除く): 24882688

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 227, 233, 392, 454, 466, 908, 932, 1589, 1631, 1816, 1864, 3178, 3262, 6356, 6524, 11123, 11417, 12712, 13048, 22246, 22834, 44492, 45668, 52891, 88984, 91336, 105782, 211564, 370237, 423128, 740474, 1480948, 2591659, 2961896, 5183318, 10366636, 20733272]

約数ペア:

[(1, 20733272), (2, 10366636), (4, 5183318), (7, 2961896), (8, 2591659), (14, 1480948), (28, 740474), (49, 423128), (56, 370237), (98, 211564), (196, 105782), (227, 91336), (233, 88984), (392, 52891), (454, 45668), (466, 44492), (908, 22834), (932, 22246), (1589, 13048), (1631, 12712), (1816, 11417), (1864, 11123), (3178, 6524), (3262, 6356)]