20004375

素因数分解:

$3^1\times 5^4\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 34189056

約数和(自身を除く): 14184681

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 227, 235, 375, 625, 681, 705, 1135, 1175, 1875, 3405, 3525, 5675, 5875, 10669, 17025, 17625, 28375, 29375, 32007, 53345, 85125, 88125, 141875, 160035, 266725, 425625, 800175, 1333625, 4000875, 6668125, 20004375]

約数ペア:

[(1, 20004375), (3, 6668125), (5, 4000875), (15, 1333625), (25, 800175), (47, 425625), (75, 266725), (125, 160035), (141, 141875), (227, 88125), (235, 85125), (375, 53345), (625, 32007), (681, 29375), (705, 28375), (1135, 17625), (1175, 17025), (1875, 10669), (3405, 5875), (3525, 5675)]