20355965889

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1\times {\mathrm{33461}}^1$

素因数の和:34021

約数の個数: 32

約数和(自身を含む): 31609543680

約数和(自身を除く): 11253577791

約数列:

[1, 3, 7, 21, 59, 177, 413, 491, 1239, 1473, 3437, 10311, 28969, 33461, 86907, 100383, 202783, 234227, 608349, 702681, 1974199, 5922597, 13819393, 16429351, 41458179, 49288053, 115005457, 345016371, 969331709, 2907995127, 6785321963, 20355965889]

約数ペア:

[(1, 20355965889), (3, 6785321963), (7, 2907995127), (21, 969331709), (59, 345016371), (177, 115005457), (413, 49288053), (491, 41458179), (1239, 16429351), (1473, 13819393), (3437, 5922597), (10311, 1974199), (28969, 702681), (33461, 608349), (86907, 234227), (100383, 202783)]