20755089

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 32148480

約数和(自身を除く): 11393391

約数列:

[1, 3, 9, 27, 31, 93, 137, 181, 279, 411, 543, 837, 1233, 1629, 3699, 4247, 4887, 5611, 12741, 16833, 24797, 38223, 50499, 74391, 114669, 151497, 223173, 669519, 768707, 2306121, 6918363, 20755089]

約数ペア:

[(1, 20755089), (3, 6918363), (9, 2306121), (27, 768707), (31, 669519), (93, 223173), (137, 151497), (181, 114669), (279, 74391), (411, 50499), (543, 38223), (837, 24797), (1233, 16833), (1629, 12741), (3699, 5611), (4247, 4887)]