20821184

素因数分解:

$2^6\times {\mathrm{263}}^1\times {\mathrm{1237}}^1$

素因数の和:1512

約数の個数: 28

約数和(自身を含む): 41507664

約数和(自身を除く): 20686480

約数列:

[1, 2, 4, 8, 16, 32, 64, 263, 526, 1052, 1237, 2104, 2474, 4208, 4948, 8416, 9896, 16832, 19792, 39584, 79168, 325331, 650662, 1301324, 2602648, 5205296, 10410592, 20821184]

約数ペア:

[(1, 20821184), (2, 10410592), (4, 5205296), (8, 2602648), (16, 1301324), (32, 650662), (64, 325331), (263, 79168), (526, 39584), (1052, 19792), (1237, 16832), (2104, 9896), (2474, 8416), (4208, 4948)]