20135500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 54931968

約数和(自身を除く): 34796468

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 125, 140, 154, 175, 220, 250, 275, 308, 350, 385, 500, 523, 550, 700, 770, 875, 1046, 1100, 1375, 1540, 1750, 1925, 2092, 2615, 2750, 3500, 3661, 3850, 5230, 5500, 5753, 7322, 7700, 9625, 10460, 11506, 13075, 14644, 18305, 19250, 23012, 26150, 28765, 36610, 38500, 40271, 52300, 57530, 65375, 73220, 80542, 91525, 115060, 130750, 143825, 161084, 183050, 201355, 261500, 287650, 366100, 402710, 457625, 575300, 719125, 805420, 915250, 1006775, 1438250, 1830500, 2013550, 2876500, 4027100, 5033875, 10067750, 20135500]

約数ペア:

[(1, 20135500), (2, 10067750), (4, 5033875), (5, 4027100), (7, 2876500), (10, 2013550), (11, 1830500), (14, 1438250), (20, 1006775), (22, 915250), (25, 805420), (28, 719125), (35, 575300), (44, 457625), (50, 402710), (55, 366100), (70, 287650), (77, 261500), (100, 201355), (110, 183050), (125, 161084), (140, 143825), (154, 130750), (175, 115060), (220, 91525), (250, 80542), (275, 73220), (308, 65375), (350, 57530), (385, 52300), (500, 40271), (523, 38500), (550, 36610), (700, 28765), (770, 26150), (875, 23012), (1046, 19250), (1100, 18305), (1375, 14644), (1540, 13075), (1750, 11506), (1925, 10460), (2092, 9625), (2615, 7700), (2750, 7322), (3500, 5753), (3661, 5500), (3850, 5230)]