20718070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2593}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 40341888

約数和(自身を除く): 19623818

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2593, 3995, 5186, 7990, 12965, 25930, 44081, 88162, 121871, 220405, 243742, 440810, 609355, 1218710, 2071807, 4143614, 10359035, 20718070]

約数ペア:

[(1, 20718070), (2, 10359035), (5, 4143614), (10, 2071807), (17, 1218710), (34, 609355), (47, 440810), (85, 243742), (94, 220405), (170, 121871), (235, 88162), (470, 44081), (799, 25930), (1598, 12965), (2593, 7990), (3995, 5186)]