20215500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13477}}^1$

素因数の和:13499

約数の個数: 48

約数和(自身を含む): 58871904

約数和(自身を除く): 38656404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13477, 26954, 40431, 53908, 67385, 80862, 134770, 161724, 202155, 269540, 336925, 404310, 673850, 808620, 1010775, 1347700, 1684625, 2021550, 3369250, 4043100, 5053875, 6738500, 10107750, 20215500]

約数ペア:

[(1, 20215500), (2, 10107750), (3, 6738500), (4, 5053875), (5, 4043100), (6, 3369250), (10, 2021550), (12, 1684625), (15, 1347700), (20, 1010775), (25, 808620), (30, 673850), (50, 404310), (60, 336925), (75, 269540), (100, 202155), (125, 161724), (150, 134770), (250, 80862), (300, 67385), (375, 53908), (500, 40431), (750, 26954), (1500, 13477)]