20581210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5107}}^1$

素因数の和:5158

約数の個数: 32

約数和(自身を含む): 41190912

約数和(自身を除く): 20609702

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 5107, 10214, 25535, 51070, 66391, 132782, 158317, 316634, 331955, 663910, 791585, 1583170, 2058121, 4116242, 10290605, 20581210]

約数ペア:

[(1, 20581210), (2, 10290605), (5, 4116242), (10, 2058121), (13, 1583170), (26, 791585), (31, 663910), (62, 331955), (65, 316634), (130, 158317), (155, 132782), (310, 66391), (403, 51070), (806, 25535), (2015, 10214), (4030, 5107)]