2021029205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{20177}}^1$

素因数の和:20285

約数の個数: 32

約数和(自身を含む): 2766161664

約数和(自身を除く): 745132459

約数列:

[1, 5, 13, 23, 65, 67, 115, 299, 335, 871, 1495, 1541, 4355, 7705, 20033, 20177, 100165, 100885, 262301, 464071, 1311505, 1351859, 2320355, 6032923, 6759295, 17574167, 30164615, 31092757, 87870835, 155463785, 404205841, 2021029205]

約数ペア:

[(1, 2021029205), (5, 404205841), (13, 155463785), (23, 87870835), (65, 31092757), (67, 30164615), (115, 17574167), (299, 6759295), (335, 6032923), (871, 2320355), (1495, 1351859), (1541, 1311505), (4355, 464071), (7705, 262301), (20033, 100885), (20177, 100165)]