20146651875

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5749}}^1$

素因数の和:5871

約数の個数: 120

約数和(自身を含む): 42033420000

約数和(自身を除く): 21886768125

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 89, 105, 125, 175, 225, 267, 315, 375, 445, 525, 623, 625, 801, 875, 1125, 1335, 1575, 1869, 1875, 2225, 2625, 3115, 4005, 4375, 5607, 5625, 5749, 6675, 7875, 9345, 11125, 13125, 15575, 17247, 20025, 28035, 28745, 33375, 39375, 40243, 46725, 51741, 55625, 77875, 86235, 100125, 120729, 140175, 143725, 166875, 201215, 233625, 258705, 362187, 389375, 431175, 500625, 511661, 603645, 700875, 718625, 1006075, 1168125, 1293525, 1534983, 1810935, 2155875, 2558305, 3018225, 3504375, 3581627, 3593125, 4604949, 5030375, 6467625, 7674915, 9054675, 10744881, 10779375, 12791525, 15091125, 17908135, 23024745, 25151875, 32234643, 32338125, 38374575, 45273375, 53724405, 63957625, 75455625, 89540675, 115123725, 161173215, 191872875, 226366875, 268622025, 319788125, 447703375, 575618625, 805866075, 959364375, 1343110125, 2238516875, 2878093125, 4029330375, 6715550625, 20146651875]

約数ペア:

[(1, 20146651875), (3, 6715550625), (5, 4029330375), (7, 2878093125), (9, 2238516875), (15, 1343110125), (21, 959364375), (25, 805866075), (35, 575618625), (45, 447703375), (63, 319788125), (75, 268622025), (89, 226366875), (105, 191872875), (125, 161173215), (175, 115123725), (225, 89540675), (267, 75455625), (315, 63957625), (375, 53724405), (445, 45273375), (525, 38374575), (623, 32338125), (625, 32234643), (801, 25151875), (875, 23024745), (1125, 17908135), (1335, 15091125), (1575, 12791525), (1869, 10779375), (1875, 10744881), (2225, 9054675), (2625, 7674915), (3115, 6467625), (4005, 5030375), (4375, 4604949), (5607, 3593125), (5625, 3581627), (5749, 3504375), (6675, 3018225), (7875, 2558305), (9345, 2155875), (11125, 1810935), (13125, 1534983), (15575, 1293525), (17247, 1168125), (20025, 1006075), (28035, 718625), (28745, 700875), (33375, 603645), (39375, 511661), (40243, 500625), (46725, 431175), (51741, 389375), (55625, 362187), (77875, 258705), (86235, 233625), (100125, 201215), (120729, 166875), (140175, 143725)]