20009910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8443}}^1$

素因数の和:8532

約数の個数: 32

約数和(自身を含む): 48637440

約数和(自身を除く): 28627530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8443, 16886, 25329, 42215, 50658, 84430, 126645, 253290, 666997, 1333994, 2000991, 3334985, 4001982, 6669970, 10004955, 20009910]

約数ペア:

[(1, 20009910), (2, 10004955), (3, 6669970), (5, 4001982), (6, 3334985), (10, 2000991), (15, 1333994), (30, 666997), (79, 253290), (158, 126645), (237, 84430), (395, 50658), (474, 42215), (790, 25329), (1185, 16886), (2370, 8443)]