20189494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 34626816

約数和(自身を除く): 14437322

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 677, 806, 962, 1147, 1354, 2294, 8801, 14911, 17602, 20987, 25049, 29822, 41974, 50098, 272831, 325637, 545662, 651274, 776519, 1553038, 10094747, 20189494]

約数ペア:

[(1, 20189494), (2, 10094747), (13, 1553038), (26, 776519), (31, 651274), (37, 545662), (62, 325637), (74, 272831), (403, 50098), (481, 41974), (677, 29822), (806, 25049), (962, 20987), (1147, 17602), (1354, 14911), (2294, 8801)]