20366000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:639

約数の個数: 80

約数和(自身を含む): 52228800

約数和(自身を除く): 31862800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 599, 680, 850, 1000, 1198, 1360, 1700, 2000, 2125, 2396, 2995, 3400, 4250, 4792, 5990, 6800, 8500, 9584, 10183, 11980, 14975, 17000, 20366, 23960, 29950, 34000, 40732, 47920, 50915, 59900, 74875, 81464, 101830, 119800, 149750, 162928, 203660, 239600, 254575, 299500, 407320, 509150, 599000, 814640, 1018300, 1198000, 1272875, 2036600, 2545750, 4073200, 5091500, 10183000, 20366000]

約数ペア:

[(1, 20366000), (2, 10183000), (4, 5091500), (5, 4073200), (8, 2545750), (10, 2036600), (16, 1272875), (17, 1198000), (20, 1018300), (25, 814640), (34, 599000), (40, 509150), (50, 407320), (68, 299500), (80, 254575), (85, 239600), (100, 203660), (125, 162928), (136, 149750), (170, 119800), (200, 101830), (250, 81464), (272, 74875), (340, 59900), (400, 50915), (425, 47920), (500, 40732), (599, 34000), (680, 29950), (850, 23960), (1000, 20366), (1198, 17000), (1360, 14975), (1700, 11980), (2000, 10183), (2125, 9584), (2396, 8500), (2995, 6800), (3400, 5990), (4250, 4792)]