20415392

素因数分解:

$2^5\times {\mathrm{653}}^1\times {\mathrm{977}}^1$

素因数の和:1640

約数の個数: 24

約数和(自身を含む): 40295556

約数和(自身を除く): 19880164

約数列:

[1, 2, 4, 8, 16, 32, 653, 977, 1306, 1954, 2612, 3908, 5224, 7816, 10448, 15632, 20896, 31264, 637981, 1275962, 2551924, 5103848, 10207696, 20415392]

約数ペア:

[(1, 20415392), (2, 10207696), (4, 5103848), (8, 2551924), (16, 1275962), (32, 637981), (653, 31264), (977, 20896), (1306, 15632), (1954, 10448), (2612, 7816), (3908, 5224)]