20543684

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43159}}^1$

素因数の和:43187

約数の個数: 24

約数和(自身を含む): 43505280

約数和(自身を除く): 22961596

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43159, 86318, 172636, 302113, 604226, 733703, 1208452, 1467406, 2934812, 5135921, 10271842, 20543684]

約数ペア:

[(1, 20543684), (2, 10271842), (4, 5135921), (7, 2934812), (14, 1467406), (17, 1208452), (28, 733703), (34, 604226), (68, 302113), (119, 172636), (238, 86318), (476, 43159)]