20243925

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:804

約数の個数: 60

約数和(自身を含む): 40435780

約数和(自身を除く): 20191855

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 769, 975, 1053, 1755, 2025, 2307, 2925, 3845, 5265, 6921, 8775, 9997, 11535, 19225, 20763, 26325, 29991, 34605, 49985, 57675, 62289, 89973, 103815, 149955, 173025, 249925, 269919, 311445, 449865, 519075, 749775, 809757, 1349595, 1557225, 2249325, 4048785, 6747975, 20243925]

約数ペア:

[(1, 20243925), (3, 6747975), (5, 4048785), (9, 2249325), (13, 1557225), (15, 1349595), (25, 809757), (27, 749775), (39, 519075), (45, 449865), (65, 311445), (75, 269919), (81, 249925), (117, 173025), (135, 149955), (195, 103815), (225, 89973), (325, 62289), (351, 57675), (405, 49985), (585, 34605), (675, 29991), (769, 26325), (975, 20763), (1053, 19225), (1755, 11535), (2025, 9997), (2307, 8775), (2925, 6921), (3845, 5265)]