20971686

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 43665408

約数和(自身を除く): 22693722

約数列:

[1, 2, 3, 6, 31, 62, 93, 137, 186, 274, 411, 822, 823, 1646, 2469, 4247, 4938, 8494, 12741, 25482, 25513, 51026, 76539, 112751, 153078, 225502, 338253, 676506, 3495281, 6990562, 10485843, 20971686]

約数ペア:

[(1, 20971686), (2, 10485843), (3, 6990562), (6, 3495281), (31, 676506), (62, 338253), (93, 225502), (137, 153078), (186, 112751), (274, 76539), (411, 51026), (822, 25513), (823, 25482), (1646, 12741), (2469, 8494), (4247, 4938)]