20573355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1861}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 36465408

約数和(自身を除く): 15892053

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 165, 201, 335, 737, 1005, 1861, 2211, 3685, 5583, 9305, 11055, 20471, 27915, 61413, 102355, 124687, 307065, 374061, 623435, 1371557, 1870305, 4114671, 6857785, 20573355]

約数ペア:

[(1, 20573355), (3, 6857785), (5, 4114671), (11, 1870305), (15, 1371557), (33, 623435), (55, 374061), (67, 307065), (165, 124687), (201, 102355), (335, 61413), (737, 27915), (1005, 20471), (1861, 11055), (2211, 9305), (3685, 5583)]