20725536

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16607}}^1$

素因数の和:16633

約数の個数: 48

約数和(自身を含む): 58593024

約数和(自身を除く): 37867488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16607, 33214, 49821, 66428, 99642, 132856, 199284, 215891, 265712, 398568, 431782, 531424, 647673, 797136, 863564, 1295346, 1594272, 1727128, 2590692, 3454256, 5181384, 6908512, 10362768, 20725536]

約数ペア:

[(1, 20725536), (2, 10362768), (3, 6908512), (4, 5181384), (6, 3454256), (8, 2590692), (12, 1727128), (13, 1594272), (16, 1295346), (24, 863564), (26, 797136), (32, 647673), (39, 531424), (48, 431782), (52, 398568), (78, 265712), (96, 215891), (104, 199284), (156, 132856), (208, 99642), (312, 66428), (416, 49821), (624, 33214), (1248, 16607)]