20100450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1301}}^1$

素因数の和:1419

約数の個数: 48

約数和(自身を含む): 50371776

約数和(自身を除く): 30271326

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 103, 150, 206, 309, 515, 618, 1030, 1301, 1545, 2575, 2602, 3090, 3903, 5150, 6505, 7725, 7806, 13010, 15450, 19515, 32525, 39030, 65050, 97575, 134003, 195150, 268006, 402009, 670015, 804018, 1340030, 2010045, 3350075, 4020090, 6700150, 10050225, 20100450]

約数ペア:

[(1, 20100450), (2, 10050225), (3, 6700150), (5, 4020090), (6, 3350075), (10, 2010045), (15, 1340030), (25, 804018), (30, 670015), (50, 402009), (75, 268006), (103, 195150), (150, 134003), (206, 97575), (309, 65050), (515, 39030), (618, 32525), (1030, 19515), (1301, 15450), (1545, 13010), (2575, 7806), (2602, 7725), (3090, 6505), (3903, 5150)]