20813472

素因数分解:

$2^5\times 3^2\times {\mathrm{72269}}^1$

素因数の和:72285

約数の個数: 36

約数和(自身を含む): 59189130

約数和(自身を除く): 38375658

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72269, 144538, 216807, 289076, 433614, 578152, 650421, 867228, 1156304, 1300842, 1734456, 2312608, 2601684, 3468912, 5203368, 6937824, 10406736, 20813472]

約数ペア:

[(1, 20813472), (2, 10406736), (3, 6937824), (4, 5203368), (6, 3468912), (8, 2601684), (9, 2312608), (12, 1734456), (16, 1300842), (18, 1156304), (24, 867228), (32, 650421), (36, 578152), (48, 433614), (72, 289076), (96, 216807), (144, 144538), (288, 72269)]