20172568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6257}}^1$

素因数の和:6307

約数の個数: 32

約数和(自身を含む): 42053760

約数和(自身を除く): 21881192

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6257, 12514, 25028, 50056, 81341, 162682, 193967, 325364, 387934, 650728, 775868, 1551736, 2521571, 5043142, 10086284, 20172568]

約数ペア:

[(1, 20172568), (2, 10086284), (4, 5043142), (8, 2521571), (13, 1551736), (26, 775868), (31, 650728), (52, 387934), (62, 325364), (104, 193967), (124, 162682), (248, 81341), (403, 50056), (806, 25028), (1612, 12514), (3224, 6257)]