20099777770

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{90511}}^1$

素因数の和:90990

約数の個数: 32

約数和(自身を含む): 36950618880

約数和(自身を除く): 16850841110

約数列:

[1, 2, 5, 10, 53, 106, 265, 419, 530, 838, 2095, 4190, 22207, 44414, 90511, 111035, 181022, 222070, 452555, 905110, 4797083, 9594166, 23985415, 37924109, 47970830, 75848218, 189620545, 379241090, 2009977777, 4019955554, 10049888885, 20099777770]

約数ペア:

[(1, 20099777770), (2, 10049888885), (5, 4019955554), (10, 2009977777), (53, 379241090), (106, 189620545), (265, 75848218), (419, 47970830), (530, 37924109), (838, 23985415), (2095, 9594166), (4190, 4797083), (22207, 905110), (44414, 452555), (90511, 222070), (111035, 181022)]