20387130375

素因数分解:

$3^1\times 5^3\times {\mathrm{167}}^1\times {\mathrm{325543}}^1$

素因数の和:325728

約数の個数: 32

約数和(自身を含む): 34127428608

約数和(自身を除く): 13740298233

約数列:

[1, 3, 5, 15, 25, 75, 125, 167, 375, 501, 835, 2505, 4175, 12525, 20875, 62625, 325543, 976629, 1627715, 4883145, 8138575, 24415725, 40692875, 54365681, 122078625, 163097043, 271828405, 815485215, 1359142025, 4077426075, 6795710125, 20387130375]

約数ペア:

[(1, 20387130375), (3, 6795710125), (5, 4077426075), (15, 1359142025), (25, 815485215), (75, 271828405), (125, 163097043), (167, 122078625), (375, 54365681), (501, 40692875), (835, 24415725), (2505, 8138575), (4175, 4883145), (12525, 1627715), (20875, 976629), (62625, 325543)]