20285850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 96

約数和(自身を含む): 55246464

約数和(自身を除く): 34960614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 101, 103, 130, 150, 195, 202, 206, 303, 309, 325, 390, 505, 515, 606, 618, 650, 975, 1010, 1030, 1313, 1339, 1515, 1545, 1950, 2525, 2575, 2626, 2678, 3030, 3090, 3939, 4017, 5050, 5150, 6565, 6695, 7575, 7725, 7878, 8034, 10403, 13130, 13390, 15150, 15450, 19695, 20085, 20806, 31209, 32825, 33475, 39390, 40170, 52015, 62418, 65650, 66950, 98475, 100425, 104030, 135239, 156045, 196950, 200850, 260075, 270478, 312090, 405717, 520150, 676195, 780225, 811434, 1352390, 1560450, 2028585, 3380975, 4057170, 6761950, 10142925, 20285850]

約数ペア:

[(1, 20285850), (2, 10142925), (3, 6761950), (5, 4057170), (6, 3380975), (10, 2028585), (13, 1560450), (15, 1352390), (25, 811434), (26, 780225), (30, 676195), (39, 520150), (50, 405717), (65, 312090), (75, 270478), (78, 260075), (101, 200850), (103, 196950), (130, 156045), (150, 135239), (195, 104030), (202, 100425), (206, 98475), (303, 66950), (309, 65650), (325, 62418), (390, 52015), (505, 40170), (515, 39390), (606, 33475), (618, 32825), (650, 31209), (975, 20806), (1010, 20085), (1030, 19695), (1313, 15450), (1339, 15150), (1515, 13390), (1545, 13130), (1950, 10403), (2525, 8034), (2575, 7878), (2626, 7725), (2678, 7575), (3030, 6695), (3090, 6565), (3939, 5150), (4017, 5050)]