20195488

素因数分解:

$2^5\times {\mathrm{37}}^2\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 36

約数和(自身を含む): 40952142

約数和(自身を除く): 20756654

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 461, 592, 922, 1184, 1369, 1844, 2738, 3688, 5476, 7376, 10952, 14752, 17057, 21904, 34114, 43808, 68228, 136456, 272912, 545824, 631109, 1262218, 2524436, 5048872, 10097744, 20195488]

約数ペア:

[(1, 20195488), (2, 10097744), (4, 5048872), (8, 2524436), (16, 1262218), (32, 631109), (37, 545824), (74, 272912), (148, 136456), (296, 68228), (461, 43808), (592, 34114), (922, 21904), (1184, 17057), (1369, 14752), (1844, 10952), (2738, 7376), (3688, 5476)]