20567625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4219}}^1$

素因数の和:4250

約数の個数: 32

約数和(自身を含む): 36865920

約数和(自身を除く): 16298295

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4219, 4875, 12657, 21095, 54847, 63285, 105475, 164541, 274235, 316425, 527375, 822705, 1371175, 1582125, 4113525, 6855875, 20567625]

約数ペア:

[(1, 20567625), (3, 6855875), (5, 4113525), (13, 1582125), (15, 1371175), (25, 822705), (39, 527375), (65, 316425), (75, 274235), (125, 164541), (195, 105475), (325, 63285), (375, 54847), (975, 21095), (1625, 12657), (4219, 4875)]