20147175

素因数分解:

$3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{593}}^1$

素因数の和:760

約数の個数: 36

約数和(自身を含む): 36386064

約数和(自身を除く): 16238889

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 151, 225, 453, 593, 755, 1359, 1779, 2265, 2965, 3775, 5337, 6795, 8895, 11325, 14825, 26685, 33975, 44475, 89543, 133425, 268629, 447715, 805887, 1343145, 2238575, 4029435, 6715725, 20147175]

約数ペア:

[(1, 20147175), (3, 6715725), (5, 4029435), (9, 2238575), (15, 1343145), (25, 805887), (45, 447715), (75, 268629), (151, 133425), (225, 89543), (453, 44475), (593, 33975), (755, 26685), (1359, 14825), (1779, 11325), (2265, 8895), (2965, 6795), (3775, 5337)]