20411416

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 39302640

約数和(自身を除く): 18891224

約数列:

[1, 2, 4, 8, 67, 113, 134, 226, 268, 337, 452, 536, 674, 904, 1348, 2696, 7571, 15142, 22579, 30284, 38081, 45158, 60568, 76162, 90316, 152324, 180632, 304648, 2551427, 5102854, 10205708, 20411416]

約数ペア:

[(1, 20411416), (2, 10205708), (4, 5102854), (8, 2551427), (67, 304648), (113, 180632), (134, 152324), (226, 90316), (268, 76162), (337, 60568), (452, 45158), (536, 38081), (674, 30284), (904, 22579), (1348, 15142), (2696, 7571)]