20924756

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:848

約数の個数: 36

約数和(自身を含む): 40641888

約数和(自身を除く): 19717132

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 289, 391, 578, 782, 787, 1156, 1564, 1574, 3148, 6647, 13294, 13379, 18101, 26588, 26758, 36202, 53516, 72404, 227443, 307717, 454886, 615434, 909772, 1230868, 5231189, 10462378, 20924756]

約数ペア:

[(1, 20924756), (2, 10462378), (4, 5231189), (17, 1230868), (23, 909772), (34, 615434), (46, 454886), (68, 307717), (92, 227443), (289, 72404), (391, 53516), (578, 36202), (782, 26758), (787, 26588), (1156, 18101), (1564, 13379), (1574, 13294), (3148, 6647)]