20167553945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2543}}^1\times {\mathrm{20599}}^1$

素因数の和:23165

約数の個数: 32

約数和(自身を含む): 30186086400

約数和(自身を除く): 10018532455

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 2543, 12715, 17801, 20599, 27973, 89005, 102995, 139865, 144193, 195811, 226589, 720965, 979055, 1132945, 1586123, 7930615, 52383257, 261916285, 366682799, 576215827, 1833413995, 2881079135, 4033510789, 20167553945]

約数ペア:

[(1, 20167553945), (5, 4033510789), (7, 2881079135), (11, 1833413995), (35, 576215827), (55, 366682799), (77, 261916285), (385, 52383257), (2543, 7930615), (12715, 1586123), (17801, 1132945), (20599, 979055), (27973, 720965), (89005, 226589), (102995, 195811), (139865, 144193)]