20891058

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 43146432

約数和(自身を除く): 22255374

約数列:

[1, 2, 3, 6, 41, 82, 123, 163, 246, 326, 489, 521, 978, 1042, 1563, 3126, 6683, 13366, 20049, 21361, 40098, 42722, 64083, 84923, 128166, 169846, 254769, 509538, 3481843, 6963686, 10445529, 20891058]

約数ペア:

[(1, 20891058), (2, 10445529), (3, 6963686), (6, 3481843), (41, 509538), (82, 254769), (123, 169846), (163, 128166), (246, 84923), (326, 64083), (489, 42722), (521, 40098), (978, 21361), (1042, 20049), (1563, 13366), (3126, 6683)]