20904120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58067}}^1$

素因数の和:58084

約数の個数: 48

約数和(自身を含む): 67939560

約数和(自身を除く): 47035440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58067, 116134, 174201, 232268, 290335, 348402, 464536, 522603, 580670, 696804, 871005, 1045206, 1161340, 1393608, 1742010, 2090412, 2322680, 2613015, 3484020, 4180824, 5226030, 6968040, 10452060, 20904120]

約数ペア:

[(1, 20904120), (2, 10452060), (3, 6968040), (4, 5226030), (5, 4180824), (6, 3484020), (8, 2613015), (9, 2322680), (10, 2090412), (12, 1742010), (15, 1393608), (18, 1161340), (20, 1045206), (24, 871005), (30, 696804), (36, 580670), (40, 522603), (45, 464536), (60, 348402), (72, 290335), (90, 232268), (120, 174201), (180, 116134), (360, 58067)]