7218872020

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{232417}}^1$

素因数の和:233979

約数の個数: 24

約数和(自身を含む): 15169458024

約数和(自身を除く): 7950586004

約数列:

[1, 2, 4, 5, 10, 20, 1553, 3106, 6212, 7765, 15530, 31060, 232417, 464834, 929668, 1162085, 2324170, 4648340, 360943601, 721887202, 1443774404, 1804718005, 3609436010, 7218872020]

約数ペア:

[(1, 7218872020), (2, 3609436010), (4, 1804718005), (5, 1443774404), (10, 721887202), (20, 360943601), (1553, 4648340), (3106, 2324170), (6212, 1162085), (7765, 929668), (15530, 464834), (31060, 232417)]