20760240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86501}}^1$

素因数の和:86517

約数の個数: 40

約数和(自身を含む): 64357488

約数和(自身を除く): 43597248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86501, 173002, 259503, 346004, 432505, 519006, 692008, 865010, 1038012, 1297515, 1384016, 1730020, 2076024, 2595030, 3460040, 4152048, 5190060, 6920080, 10380120, 20760240]

約数ペア:

[(1, 20760240), (2, 10380120), (3, 6920080), (4, 5190060), (5, 4152048), (6, 3460040), (8, 2595030), (10, 2076024), (12, 1730020), (15, 1384016), (16, 1297515), (20, 1038012), (24, 865010), (30, 692008), (40, 519006), (48, 432505), (60, 346004), (80, 259503), (120, 173002), (240, 86501)]