20331328

素因数分解:

$2^6\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1150

約数の個数: 28

約数和(自身を含む): 40489632

約数和(自身を除く): 20158304

約数列:

[1, 2, 4, 8, 16, 32, 64, 491, 647, 982, 1294, 1964, 2588, 3928, 5176, 7856, 10352, 15712, 20704, 31424, 41408, 317677, 635354, 1270708, 2541416, 5082832, 10165664, 20331328]

約数ペア:

[(1, 20331328), (2, 10165664), (4, 5082832), (8, 2541416), (16, 1270708), (32, 635354), (64, 317677), (491, 41408), (647, 31424), (982, 20704), (1294, 15712), (1964, 10352), (2588, 7856), (3928, 5176)]