20975964

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 51072000

約数和(自身を除く): 30096036

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 113, 124, 186, 226, 339, 372, 452, 499, 678, 998, 1356, 1497, 1996, 2994, 3503, 5988, 7006, 10509, 14012, 15469, 21018, 30938, 42036, 46407, 56387, 61876, 92814, 112774, 169161, 185628, 225548, 338322, 676644, 1747997, 3495994, 5243991, 6991988, 10487982, 20975964]

約数ペア:

[(1, 20975964), (2, 10487982), (3, 6991988), (4, 5243991), (6, 3495994), (12, 1747997), (31, 676644), (62, 338322), (93, 225548), (113, 185628), (124, 169161), (186, 112774), (226, 92814), (339, 61876), (372, 56387), (452, 46407), (499, 42036), (678, 30938), (998, 21018), (1356, 15469), (1497, 14012), (1996, 10509), (2994, 7006), (3503, 5988)]