20446624

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2003}}^1$

素因数の和:2053

約数の個数: 48

約数和(自身を含む): 45450720

約数和(自身を除く): 25004096

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 464, 638, 928, 1276, 2003, 2552, 4006, 5104, 8012, 10208, 16024, 22033, 32048, 44066, 58087, 64096, 88132, 116174, 176264, 232348, 352528, 464696, 638957, 705056, 929392, 1277914, 1858784, 2555828, 5111656, 10223312, 20446624]

約数ペア:

[(1, 20446624), (2, 10223312), (4, 5111656), (8, 2555828), (11, 1858784), (16, 1277914), (22, 929392), (29, 705056), (32, 638957), (44, 464696), (58, 352528), (88, 232348), (116, 176264), (176, 116174), (232, 88132), (319, 64096), (352, 58087), (464, 44066), (638, 32048), (928, 22033), (1276, 16024), (2003, 10208), (2552, 8012), (4006, 5104)]