20199555850

素因数分解:

$2^1\times 5^2\times {\mathrm{12953}}^1\times {\mathrm{31189}}^1$

素因数の和:44154

約数の個数: 24

約数和(自身を含む): 37575279180

約数和(自身を除く): 17375723330

約数列:

[1, 2, 5, 10, 25, 50, 12953, 25906, 31189, 62378, 64765, 129530, 155945, 311890, 323825, 647650, 779725, 1559450, 403991117, 807982234, 2019955585, 4039911170, 10099777925, 20199555850]

約数ペア:

[(1, 20199555850), (2, 10099777925), (5, 4039911170), (10, 2019955585), (25, 807982234), (50, 403991117), (12953, 1559450), (25906, 779725), (31189, 647650), (62378, 323825), (64765, 311890), (129530, 155945)]