20121016390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{82963}}^1$

素因数の和:83356

約数の個数: 32

約数和(自身を含む): 36796193280

約数和(自身を除く): 16675176890

約数列:

[1, 2, 5, 10, 79, 158, 307, 395, 614, 790, 1535, 3070, 24253, 48506, 82963, 121265, 165926, 242530, 414815, 829630, 6554077, 13108154, 25469641, 32770385, 50939282, 65540770, 127348205, 254696410, 2012101639, 4024203278, 10060508195, 20121016390]

約数ペア:

[(1, 20121016390), (2, 10060508195), (5, 4024203278), (10, 2012101639), (79, 254696410), (158, 127348205), (307, 65540770), (395, 50939282), (614, 32770385), (790, 25469641), (1535, 13108154), (3070, 6554077), (24253, 829630), (48506, 414815), (82963, 242530), (121265, 165926)]