20634712

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2473}}^1$

素因数の和:2635

約数の個数: 32

約数和(自身を含む): 44532000

約数和(自身を除く): 23897288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2473, 4172, 4946, 8344, 9892, 17311, 19784, 34622, 69244, 138488, 368477, 736954, 1473908, 2579339, 2947816, 5158678, 10317356, 20634712]

約数ペア:

[(1, 20634712), (2, 10317356), (4, 5158678), (7, 2947816), (8, 2579339), (14, 1473908), (28, 736954), (56, 368477), (149, 138488), (298, 69244), (596, 34622), (1043, 19784), (1192, 17311), (2086, 9892), (2473, 8344), (4172, 4946)]