20447349

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 10397451

約数列:

[1, 3, 13, 29, 39, 87, 101, 179, 303, 377, 537, 1131, 1313, 2327, 2929, 3939, 5191, 6981, 8787, 15573, 18079, 38077, 54237, 67483, 114231, 202449, 235027, 524291, 705081, 1572873, 6815783, 20447349]

約数ペア:

[(1, 20447349), (3, 6815783), (13, 1572873), (29, 705081), (39, 524291), (87, 235027), (101, 202449), (179, 114231), (303, 67483), (377, 54237), (537, 38077), (1131, 18079), (1313, 15573), (2327, 8787), (2929, 6981), (3939, 5191)]