20886458572

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1\times {\mathrm{13417}}^1$

素因数の和:14530

約数の個数: 48

約数和(自身を含む): 42604833600

約数和(自身を除く): 21718375028

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1049, 1484, 2098, 4196, 7343, 13417, 14686, 26834, 29372, 53668, 55597, 93919, 111194, 187838, 222388, 375676, 389179, 711101, 778358, 1422202, 1556716, 2844404, 4977707, 9955414, 14074433, 19910828, 28148866, 56297732, 98521031, 197042062, 394084124, 745944949, 1491889898, 2983779796, 5221614643, 10443229286, 20886458572]

約数ペア:

[(1, 20886458572), (2, 10443229286), (4, 5221614643), (7, 2983779796), (14, 1491889898), (28, 745944949), (53, 394084124), (106, 197042062), (212, 98521031), (371, 56297732), (742, 28148866), (1049, 19910828), (1484, 14074433), (2098, 9955414), (4196, 4977707), (7343, 2844404), (13417, 1556716), (14686, 1422202), (26834, 778358), (29372, 711101), (53668, 389179), (55597, 375676), (93919, 222388), (111194, 187838)]