20533125

素因数分解:

$3^1\times 5^4\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 35088768

約数和(自身を除く): 14555643

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 233, 235, 375, 625, 699, 705, 1165, 1175, 1875, 3495, 3525, 5825, 5875, 10951, 17475, 17625, 29125, 29375, 32853, 54755, 87375, 88125, 145625, 164265, 273775, 436875, 821325, 1368875, 4106625, 6844375, 20533125]

約数ペア:

[(1, 20533125), (3, 6844375), (5, 4106625), (15, 1368875), (25, 821325), (47, 436875), (75, 273775), (125, 164265), (141, 145625), (233, 88125), (235, 87375), (375, 54755), (625, 32853), (699, 29375), (705, 29125), (1165, 17625), (1175, 17475), (1875, 10951), (3495, 5875), (3525, 5825)]