20454090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1667}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 49239360

約数和(自身を除く): 28785270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 1667, 2045, 2454, 3334, 4090, 5001, 6135, 8335, 10002, 12270, 16670, 25005, 50010, 681803, 1363606, 2045409, 3409015, 4090818, 6818030, 10227045, 20454090]

約数ペア:

[(1, 20454090), (2, 10227045), (3, 6818030), (5, 4090818), (6, 3409015), (10, 2045409), (15, 1363606), (30, 681803), (409, 50010), (818, 25005), (1227, 16670), (1667, 12270), (2045, 10002), (2454, 8335), (3334, 6135), (4090, 5001)]