20846360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17971}}^1$

素因数の和:18011

約数の個数: 32

約数和(自身を含む): 48524400

約数和(自身を除く): 27678040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17971, 35942, 71884, 89855, 143768, 179710, 359420, 521159, 718840, 1042318, 2084636, 2605795, 4169272, 5211590, 10423180, 20846360]

約数ペア:

[(1, 20846360), (2, 10423180), (4, 5211590), (5, 4169272), (8, 2605795), (10, 2084636), (20, 1042318), (29, 718840), (40, 521159), (58, 359420), (116, 179710), (145, 143768), (232, 89855), (290, 71884), (580, 35942), (1160, 17971)]