20330800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 57290976

約数和(自身を除く): 36960176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 53, 56, 70, 80, 100, 106, 112, 137, 140, 175, 200, 212, 265, 274, 280, 350, 371, 400, 424, 530, 548, 560, 685, 700, 742, 848, 959, 1060, 1096, 1325, 1370, 1400, 1484, 1855, 1918, 2120, 2192, 2650, 2740, 2800, 2968, 3425, 3710, 3836, 4240, 4795, 5300, 5480, 5936, 6850, 7261, 7420, 7672, 9275, 9590, 10600, 10960, 13700, 14522, 14840, 15344, 18550, 19180, 21200, 23975, 27400, 29044, 29680, 36305, 37100, 38360, 47950, 50827, 54800, 58088, 72610, 74200, 76720, 95900, 101654, 116176, 145220, 148400, 181525, 191800, 203308, 254135, 290440, 363050, 383600, 406616, 508270, 580880, 726100, 813232, 1016540, 1270675, 1452200, 2033080, 2541350, 2904400, 4066160, 5082700, 10165400, 20330800]

約数ペア:

[(1, 20330800), (2, 10165400), (4, 5082700), (5, 4066160), (7, 2904400), (8, 2541350), (10, 2033080), (14, 1452200), (16, 1270675), (20, 1016540), (25, 813232), (28, 726100), (35, 580880), (40, 508270), (50, 406616), (53, 383600), (56, 363050), (70, 290440), (80, 254135), (100, 203308), (106, 191800), (112, 181525), (137, 148400), (140, 145220), (175, 116176), (200, 101654), (212, 95900), (265, 76720), (274, 74200), (280, 72610), (350, 58088), (371, 54800), (400, 50827), (424, 47950), (530, 38360), (548, 37100), (560, 36305), (685, 29680), (700, 29044), (742, 27400), (848, 23975), (959, 21200), (1060, 19180), (1096, 18550), (1325, 15344), (1370, 14840), (1400, 14522), (1484, 13700), (1855, 10960), (1918, 10600), (2120, 9590), (2192, 9275), (2650, 7672), (2740, 7420), (2800, 7261), (2968, 6850), (3425, 5936), (3710, 5480), (3836, 5300), (4240, 4795)]