20099090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2503}}^1$

素因数の和:2594

約数の個数: 32

約数和(自身を含む): 40023936

約数和(自身を除く): 19924846

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2503, 4015, 5006, 8030, 12515, 25030, 27533, 55066, 137665, 182719, 275330, 365438, 913595, 1827190, 2009909, 4019818, 10049545, 20099090]

約数ペア:

[(1, 20099090), (2, 10049545), (5, 4019818), (10, 2009909), (11, 1827190), (22, 913595), (55, 365438), (73, 275330), (110, 182719), (146, 137665), (365, 55066), (730, 27533), (803, 25030), (1606, 12515), (2503, 8030), (4015, 5006)]