20596520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4327}}^1$

素因数の和:4362

約数の個数: 64

約数和(自身を含む): 56090880

約数和(自身を除く): 35494360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4327, 4760, 8654, 17308, 21635, 30289, 34616, 43270, 60578, 73559, 86540, 121156, 147118, 151445, 173080, 242312, 294236, 302890, 367795, 514913, 588472, 605780, 735590, 1029826, 1211560, 1471180, 2059652, 2574565, 2942360, 4119304, 5149130, 10298260, 20596520]

約数ペア:

[(1, 20596520), (2, 10298260), (4, 5149130), (5, 4119304), (7, 2942360), (8, 2574565), (10, 2059652), (14, 1471180), (17, 1211560), (20, 1029826), (28, 735590), (34, 605780), (35, 588472), (40, 514913), (56, 367795), (68, 302890), (70, 294236), (85, 242312), (119, 173080), (136, 151445), (140, 147118), (170, 121156), (238, 86540), (280, 73559), (340, 60578), (476, 43270), (595, 34616), (680, 30289), (952, 21635), (1190, 17308), (2380, 8654), (4327, 4760)]