20482605

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1061}}^1$

素因数の和:1099

約数の個数: 64

約数和(自身を含む): 42819840

約数和(自身を除く): 22337235

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 1061, 1287, 1485, 1755, 2145, 3183, 3861, 5305, 6435, 9549, 11671, 13793, 15915, 19305, 28647, 35013, 41379, 47745, 58355, 68965, 105039, 124137, 143235, 151723, 175065, 206895, 315117, 372411, 455169, 525195, 620685, 758615, 1365507, 1575585, 1862055, 2275845, 4096521, 6827535, 20482605]

約数ペア:

[(1, 20482605), (3, 6827535), (5, 4096521), (9, 2275845), (11, 1862055), (13, 1575585), (15, 1365507), (27, 758615), (33, 620685), (39, 525195), (45, 455169), (55, 372411), (65, 315117), (99, 206895), (117, 175065), (135, 151723), (143, 143235), (165, 124137), (195, 105039), (297, 68965), (351, 58355), (429, 47745), (495, 41379), (585, 35013), (715, 28647), (1061, 19305), (1287, 15915), (1485, 13793), (1755, 11671), (2145, 9549), (3183, 6435), (3861, 5305)]