20907416

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9043}}^1$

素因数の和:9083

約数の個数: 24

約数和(自身を含む): 41647620

約数和(自身を除く): 20740204

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9043, 18086, 36172, 72344, 153731, 307462, 614924, 1229848, 2613427, 5226854, 10453708, 20907416]

約数ペア:

[(1, 20907416), (2, 10453708), (4, 5226854), (8, 2613427), (17, 1229848), (34, 614924), (68, 307462), (136, 153731), (289, 72344), (578, 36172), (1156, 18086), (2312, 9043)]