20899020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7411}}^1$

素因数の和:7470

約数の個数: 48

約数和(自身を含む): 59770368

約数和(自身を除く): 38871348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7411, 14822, 22233, 29644, 37055, 44466, 74110, 88932, 111165, 148220, 222330, 348317, 444660, 696634, 1044951, 1393268, 1741585, 2089902, 3483170, 4179804, 5224755, 6966340, 10449510, 20899020]

約数ペア:

[(1, 20899020), (2, 10449510), (3, 6966340), (4, 5224755), (5, 4179804), (6, 3483170), (10, 2089902), (12, 1741585), (15, 1393268), (20, 1044951), (30, 696634), (47, 444660), (60, 348317), (94, 222330), (141, 148220), (188, 111165), (235, 88932), (282, 74110), (470, 44466), (564, 37055), (705, 29644), (940, 22233), (1410, 14822), (2820, 7411)]