20177761568

素因数分解:

$2^5\times {\mathrm{2389}}^1\times {\mathrm{263941}}^1$

素因数の和:266340

約数の個数: 24

約数和(自身を含む): 39741746940

約数和(自身を除く): 19563985372

約数列:

[1, 2, 4, 8, 16, 32, 2389, 4778, 9556, 19112, 38224, 76448, 263941, 527882, 1055764, 2111528, 4223056, 8446112, 630555049, 1261110098, 2522220196, 5044440392, 10088880784, 20177761568]

約数ペア:

[(1, 20177761568), (2, 10088880784), (4, 5044440392), (8, 2522220196), (16, 1261110098), (32, 630555049), (2389, 8446112), (4778, 4223056), (9556, 2111528), (19112, 1055764), (38224, 527882), (76448, 263941)]