20538861260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1319}}^1\times {\mathrm{7559}}^1$

素因数の和:8990

約数の個数: 48

約数和(自身を含む): 43589145600

約数和(自身を除く): 23050284340

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1319, 2060, 2638, 5276, 6595, 7559, 13190, 15118, 26380, 30236, 37795, 75590, 135857, 151180, 271714, 543428, 679285, 778577, 1358570, 1557154, 2717140, 3114308, 3892885, 7785770, 9970321, 15571540, 19940642, 39881284, 49851605, 99703210, 199406420, 1026943063, 2053886126, 4107772252, 5134715315, 10269430630, 20538861260]

約数ペア:

[(1, 20538861260), (2, 10269430630), (4, 5134715315), (5, 4107772252), (10, 2053886126), (20, 1026943063), (103, 199406420), (206, 99703210), (412, 49851605), (515, 39881284), (1030, 19940642), (1319, 15571540), (2060, 9970321), (2638, 7785770), (5276, 3892885), (6595, 3114308), (7559, 2717140), (13190, 1557154), (15118, 1358570), (26380, 778577), (30236, 679285), (37795, 543428), (75590, 271714), (135857, 151180)]