20921056

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50291}}^1$

素因数の和:50314

約数の個数: 24

約数和(自身を含む): 44357544

約数和(自身を除く): 23436488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50291, 100582, 201164, 402328, 653783, 804656, 1307566, 1609312, 2615132, 5230264, 10460528, 20921056]

約数ペア:

[(1, 20921056), (2, 10460528), (4, 5230264), (8, 2615132), (13, 1609312), (16, 1307566), (26, 804656), (32, 653783), (52, 402328), (104, 201164), (208, 100582), (416, 50291)]