20266684

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1193}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 36908928

約数和(自身を除く): 16642244

約数列:

[1, 2, 4, 31, 62, 124, 137, 274, 548, 1193, 2386, 4247, 4772, 8494, 16988, 36983, 73966, 147932, 163441, 326882, 653764, 5066671, 10133342, 20266684]

約数ペア:

[(1, 20266684), (2, 10133342), (4, 5066671), (31, 653764), (62, 326882), (124, 163441), (137, 147932), (274, 73966), (548, 36983), (1193, 16988), (2386, 8494), (4247, 4772)]