20996100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:630

約数の個数: 108

約数和(自身を含む): 67534740

約数和(自身を除く): 46538640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 41, 45, 50, 60, 75, 82, 90, 100, 123, 150, 164, 180, 205, 225, 246, 300, 369, 410, 450, 492, 569, 615, 738, 820, 900, 1025, 1138, 1230, 1476, 1707, 1845, 2050, 2276, 2460, 2845, 3075, 3414, 3690, 4100, 5121, 5690, 6150, 6828, 7380, 8535, 9225, 10242, 11380, 12300, 14225, 17070, 18450, 20484, 23329, 25605, 28450, 34140, 36900, 42675, 46658, 51210, 56900, 69987, 85350, 93316, 102420, 116645, 128025, 139974, 170700, 209961, 233290, 256050, 279948, 349935, 419922, 466580, 512100, 583225, 699870, 839844, 1049805, 1166450, 1399740, 1749675, 2099610, 2332900, 3499350, 4199220, 5249025, 6998700, 10498050, 20996100]

約数ペア:

[(1, 20996100), (2, 10498050), (3, 6998700), (4, 5249025), (5, 4199220), (6, 3499350), (9, 2332900), (10, 2099610), (12, 1749675), (15, 1399740), (18, 1166450), (20, 1049805), (25, 839844), (30, 699870), (36, 583225), (41, 512100), (45, 466580), (50, 419922), (60, 349935), (75, 279948), (82, 256050), (90, 233290), (100, 209961), (123, 170700), (150, 139974), (164, 128025), (180, 116645), (205, 102420), (225, 93316), (246, 85350), (300, 69987), (369, 56900), (410, 51210), (450, 46658), (492, 42675), (569, 36900), (615, 34140), (738, 28450), (820, 25605), (900, 23329), (1025, 20484), (1138, 18450), (1230, 17070), (1476, 14225), (1707, 12300), (1845, 11380), (2050, 10242), (2276, 9225), (2460, 8535), (2845, 7380), (3075, 6828), (3414, 6150), (3690, 5690), (4100, 5121)]