20612475

素因数分解:

$3^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 96

約数和(自身を含む): 42705600

約数和(自身を除く): 22093125

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 29, 39, 45, 65, 75, 81, 87, 117, 135, 145, 195, 225, 243, 261, 325, 351, 377, 405, 435, 585, 675, 725, 729, 783, 975, 1053, 1131, 1215, 1305, 1755, 1885, 2025, 2175, 2187, 2349, 2925, 3159, 3393, 3645, 3915, 5265, 5655, 6075, 6525, 7047, 8775, 9425, 9477, 10179, 10935, 11745, 15795, 16965, 18225, 19575, 21141, 26325, 28275, 28431, 30537, 35235, 47385, 50895, 54675, 58725, 63423, 78975, 84825, 91611, 105705, 142155, 152685, 176175, 236925, 254475, 274833, 317115, 458055, 528525, 710775, 763425, 824499, 1374165, 1585575, 2290275, 4122495, 6870825, 20612475]

約数ペア:

[(1, 20612475), (3, 6870825), (5, 4122495), (9, 2290275), (13, 1585575), (15, 1374165), (25, 824499), (27, 763425), (29, 710775), (39, 528525), (45, 458055), (65, 317115), (75, 274833), (81, 254475), (87, 236925), (117, 176175), (135, 152685), (145, 142155), (195, 105705), (225, 91611), (243, 84825), (261, 78975), (325, 63423), (351, 58725), (377, 54675), (405, 50895), (435, 47385), (585, 35235), (675, 30537), (725, 28431), (729, 28275), (783, 26325), (975, 21141), (1053, 19575), (1131, 18225), (1215, 16965), (1305, 15795), (1755, 11745), (1885, 10935), (2025, 10179), (2175, 9477), (2187, 9425), (2349, 8775), (2925, 7047), (3159, 6525), (3393, 6075), (3645, 5655), (3915, 5265)]