20112592871

素因数分解:

$7^3\times {\mathrm{127}}^1\times {\mathrm{397}}^1\times {\mathrm{1163}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 23719526400

約数和(自身を除く): 3606933529

約数列:

[1, 7, 49, 127, 343, 397, 889, 1163, 2779, 6223, 8141, 19453, 43561, 50419, 56987, 136171, 147701, 352933, 398909, 461711, 1033907, 2470531, 3231977, 7237349, 17293717, 22623839, 50661443, 58637297, 158366873, 410461079, 2873227553, 20112592871]

約数ペア:

[(1, 20112592871), (7, 2873227553), (49, 410461079), (127, 158366873), (343, 58637297), (397, 50661443), (889, 22623839), (1163, 17293717), (2779, 7237349), (6223, 3231977), (8141, 2470531), (19453, 1033907), (43561, 461711), (50419, 398909), (56987, 352933), (136171, 147701)]