20454994

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5821}}^1$

素因数の和:6081

約数の個数: 16

約数和(自身を含む): 35211456

約数和(自身を除く): 14756462

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 5821, 11642, 40747, 81494, 1461071, 2922142, 10227497, 20454994]

約数ペア:

[(1, 20454994), (2, 10227497), (7, 2922142), (14, 1461071), (251, 81494), (502, 40747), (1757, 11642), (3514, 5821)]