20565524

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 47308800

約数和(自身を除く): 26743276

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 31, 38, 43, 58, 62, 76, 86, 116, 124, 133, 172, 203, 217, 266, 301, 406, 434, 532, 551, 589, 602, 812, 817, 868, 899, 1102, 1178, 1204, 1247, 1333, 1634, 1798, 2204, 2356, 2494, 2666, 3268, 3596, 3857, 4123, 4988, 5332, 5719, 6293, 7714, 8246, 8729, 9331, 11438, 12586, 15428, 16492, 17081, 17458, 18662, 22876, 23693, 25172, 25327, 34162, 34916, 37324, 38657, 47386, 50654, 68324, 77314, 94772, 101308, 119567, 154628, 165851, 177289, 239134, 270599, 331702, 354578, 478268, 541198, 663404, 709156, 734483, 1082396, 1468966, 2937932, 5141381, 10282762, 20565524]

約数ペア:

[(1, 20565524), (2, 10282762), (4, 5141381), (7, 2937932), (14, 1468966), (19, 1082396), (28, 734483), (29, 709156), (31, 663404), (38, 541198), (43, 478268), (58, 354578), (62, 331702), (76, 270599), (86, 239134), (116, 177289), (124, 165851), (133, 154628), (172, 119567), (203, 101308), (217, 94772), (266, 77314), (301, 68324), (406, 50654), (434, 47386), (532, 38657), (551, 37324), (589, 34916), (602, 34162), (812, 25327), (817, 25172), (868, 23693), (899, 22876), (1102, 18662), (1178, 17458), (1204, 17081), (1247, 16492), (1333, 15428), (1634, 12586), (1798, 11438), (2204, 9331), (2356, 8729), (2494, 8246), (2666, 7714), (3268, 6293), (3596, 5719), (3857, 5332), (4123, 4988)]