20397756

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{99989}}^1$

素因数の和:100013

約数の個数: 24

約数和(自身を含む): 50394960

約数和(自身を除く): 29997204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 99989, 199978, 299967, 399956, 599934, 1199868, 1699813, 3399626, 5099439, 6799252, 10198878, 20397756]

約数ペア:

[(1, 20397756), (2, 10198878), (3, 6799252), (4, 5099439), (6, 3399626), (12, 1699813), (17, 1199868), (34, 599934), (51, 399956), (68, 299967), (102, 199978), (204, 99989)]