20567722

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 17223638

約数列:

[1, 2, 7, 14, 17, 34, 89, 119, 178, 238, 623, 971, 1246, 1513, 1942, 3026, 6797, 10591, 13594, 16507, 21182, 33014, 86419, 115549, 172838, 231098, 604933, 1209866, 1469123, 2938246, 10283861, 20567722]

約数ペア:

[(1, 20567722), (2, 10283861), (7, 2938246), (14, 1469123), (17, 1209866), (34, 604933), (89, 231098), (119, 172838), (178, 115549), (238, 86419), (623, 33014), (971, 21182), (1246, 16507), (1513, 13594), (1942, 10591), (3026, 6797)]