20718285660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115101587}}^1$

素因数の和:115101602

約数の個数: 36

約数和(自身を含む): 62845467048

約数和(自身を除く): 42127181388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115101587, 230203174, 345304761, 460406348, 575507935, 690609522, 1035914283, 1151015870, 1381219044, 1726523805, 2071828566, 2302031740, 3453047610, 4143657132, 5179571415, 6906095220, 10359142830, 20718285660]

約数ペア:

[(1, 20718285660), (2, 10359142830), (3, 6906095220), (4, 5179571415), (5, 4143657132), (6, 3453047610), (9, 2302031740), (10, 2071828566), (12, 1726523805), (15, 1381219044), (18, 1151015870), (20, 1035914283), (30, 690609522), (36, 575507935), (45, 460406348), (60, 345304761), (90, 230203174), (180, 115101587)]