20217270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21739}}^1$

素因数の和:21780

約数の個数: 32

約数和(自身を含む): 50088960

約数和(自身を除く): 29871690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21739, 43478, 65217, 108695, 130434, 217390, 326085, 652170, 673909, 1347818, 2021727, 3369545, 4043454, 6739090, 10108635, 20217270]

約数ペア:

[(1, 20217270), (2, 10108635), (3, 6739090), (5, 4043454), (6, 3369545), (10, 2021727), (15, 1347818), (30, 673909), (31, 652170), (62, 326085), (93, 217390), (155, 130434), (186, 108695), (310, 65217), (465, 43478), (930, 21739)]