20129684

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 35915880

約数和(自身を除く): 15786196

約数列:

[1, 2, 4, 109, 137, 218, 274, 337, 436, 548, 674, 1348, 14933, 29866, 36733, 46169, 59732, 73466, 92338, 146932, 184676, 5032421, 10064842, 20129684]

約数ペア:

[(1, 20129684), (2, 10064842), (4, 5032421), (109, 184676), (137, 146932), (218, 92338), (274, 73466), (337, 59732), (436, 46169), (548, 36733), (674, 29866), (1348, 14933)]