20108368

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 27388592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 41, 56, 58, 82, 112, 116, 151, 164, 203, 232, 287, 302, 328, 406, 464, 574, 604, 656, 812, 1057, 1148, 1189, 1208, 1624, 2114, 2296, 2378, 2416, 3248, 4228, 4379, 4592, 4756, 6191, 8323, 8456, 8758, 9512, 12382, 16646, 16912, 17516, 19024, 24764, 30653, 33292, 35032, 43337, 49528, 61306, 66584, 70064, 86674, 99056, 122612, 133168, 173348, 179539, 245224, 346696, 359078, 490448, 693392, 718156, 1256773, 1436312, 2513546, 2872624, 5027092, 10054184, 20108368]

約数ペア:

[(1, 20108368), (2, 10054184), (4, 5027092), (7, 2872624), (8, 2513546), (14, 1436312), (16, 1256773), (28, 718156), (29, 693392), (41, 490448), (56, 359078), (58, 346696), (82, 245224), (112, 179539), (116, 173348), (151, 133168), (164, 122612), (203, 99056), (232, 86674), (287, 70064), (302, 66584), (328, 61306), (406, 49528), (464, 43337), (574, 35032), (604, 33292), (656, 30653), (812, 24764), (1057, 19024), (1148, 17516), (1189, 16912), (1208, 16646), (1624, 12382), (2114, 9512), (2296, 8758), (2378, 8456), (2416, 8323), (3248, 6191), (4228, 4756), (4379, 4592)]