20740612

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9839}}^1$

素因数の和:9891

約数の個数: 24

約数和(自身を含む): 39674880

約数和(自身を除く): 18934268

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 9839, 19678, 39356, 167263, 305009, 334526, 610018, 669052, 1220036, 5185153, 10370306, 20740612]

約数ペア:

[(1, 20740612), (2, 10370306), (4, 5185153), (17, 1220036), (31, 669052), (34, 610018), (62, 334526), (68, 305009), (124, 167263), (527, 39356), (1054, 19678), (2108, 9839)]