20472284

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 23980516

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 68, 82, 119, 164, 238, 287, 476, 574, 697, 1049, 1148, 1394, 2098, 2788, 4196, 4879, 7343, 9758, 14686, 17833, 19516, 29372, 35666, 43009, 71332, 86018, 124831, 172036, 249662, 301063, 499324, 602126, 731153, 1204252, 1462306, 2924612, 5118071, 10236142, 20472284]

約数ペア:

[(1, 20472284), (2, 10236142), (4, 5118071), (7, 2924612), (14, 1462306), (17, 1204252), (28, 731153), (34, 602126), (41, 499324), (68, 301063), (82, 249662), (119, 172036), (164, 124831), (238, 86018), (287, 71332), (476, 43009), (574, 35666), (697, 29372), (1049, 19516), (1148, 17833), (1394, 14686), (2098, 9758), (2788, 7343), (4196, 4879)]