20123060690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{914269}}^1$

素因数の和:914378

約数の個数: 32

約数和(自身を含む): 37916605440

約数和(自身を除く): 17793544750

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 11005, 22010, 914269, 1828538, 4571345, 9142690, 28342339, 56684678, 64913099, 129826198, 141711695, 283423390, 324565495, 649130990, 2012306069, 4024612138, 10061530345, 20123060690]

約数ペア:

[(1, 20123060690), (2, 10061530345), (5, 4024612138), (10, 2012306069), (31, 649130990), (62, 324565495), (71, 283423390), (142, 141711695), (155, 129826198), (310, 64913099), (355, 56684678), (710, 28342339), (2201, 9142690), (4402, 4571345), (11005, 1828538), (22010, 914269)]