20275125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4159}}^1$

素因数の和:4190

約数の個数: 32

約数和(自身を含む): 36341760

約数和(自身を除く): 16066635

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4159, 4875, 12477, 20795, 54067, 62385, 103975, 162201, 270335, 311925, 519875, 811005, 1351675, 1559625, 4055025, 6758375, 20275125]

約数ペア:

[(1, 20275125), (3, 6758375), (5, 4055025), (13, 1559625), (15, 1351675), (25, 811005), (39, 519875), (65, 311925), (75, 270335), (125, 162201), (195, 103975), (325, 62385), (375, 54067), (975, 20795), (1625, 12477), (4159, 4875)]