20585580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3331}}^1$

素因数の和:3446

約数の個数: 48

約数和(自身を含む): 58216704

約数和(自身を除く): 37631124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3331, 6180, 6662, 9993, 13324, 16655, 19986, 33310, 39972, 49965, 66620, 99930, 199860, 343093, 686186, 1029279, 1372372, 1715465, 2058558, 3430930, 4117116, 5146395, 6861860, 10292790, 20585580]

約数ペア:

[(1, 20585580), (2, 10292790), (3, 6861860), (4, 5146395), (5, 4117116), (6, 3430930), (10, 2058558), (12, 1715465), (15, 1372372), (20, 1029279), (30, 686186), (60, 343093), (103, 199860), (206, 99930), (309, 66620), (412, 49965), (515, 39972), (618, 33310), (1030, 19986), (1236, 16655), (1545, 13324), (2060, 9993), (3090, 6662), (3331, 6180)]