20852625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{3271}}^1$

素因数の和:3306

約数の個数: 32

約数和(自身を含む): 36751104

約数和(自身を除く): 15898479

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 3271, 6375, 9813, 16355, 49065, 55607, 81775, 166821, 245325, 278035, 408875, 834105, 1226625, 1390175, 4170525, 6950875, 20852625]

約数ペア:

[(1, 20852625), (3, 6950875), (5, 4170525), (15, 1390175), (17, 1226625), (25, 834105), (51, 408875), (75, 278035), (85, 245325), (125, 166821), (255, 81775), (375, 55607), (425, 49065), (1275, 16355), (2125, 9813), (3271, 6375)]