20793075

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 36188160

約数和(自身を除く): 15395085

約数列:

[1, 3, 5, 15, 25, 37, 59, 75, 111, 127, 177, 185, 295, 381, 555, 635, 885, 925, 1475, 1905, 2183, 2775, 3175, 4425, 4699, 6549, 7493, 9525, 10915, 14097, 22479, 23495, 32745, 37465, 54575, 70485, 112395, 117475, 163725, 187325, 277241, 352425, 561975, 831723, 1386205, 4158615, 6931025, 20793075]

約数ペア:

[(1, 20793075), (3, 6931025), (5, 4158615), (15, 1386205), (25, 831723), (37, 561975), (59, 352425), (75, 277241), (111, 187325), (127, 163725), (177, 117475), (185, 112395), (295, 70485), (381, 54575), (555, 37465), (635, 32745), (885, 23495), (925, 22479), (1475, 14097), (1905, 10915), (2183, 9525), (2775, 7493), (3175, 6549), (4425, 4699)]