20209600

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:782

約数の個数: 84

約数和(自身を含む): 52724304

約数和(自身を除く): 32514704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 136, 160, 170, 200, 272, 320, 340, 400, 425, 544, 680, 743, 800, 850, 1088, 1360, 1486, 1600, 1700, 2720, 2972, 3400, 3715, 5440, 5944, 6800, 7430, 11888, 12631, 13600, 14860, 18575, 23776, 25262, 27200, 29720, 37150, 47552, 50524, 59440, 63155, 74300, 101048, 118880, 126310, 148600, 202096, 237760, 252620, 297200, 315775, 404192, 505240, 594400, 631550, 808384, 1010480, 1188800, 1263100, 2020960, 2526200, 4041920, 5052400, 10104800, 20209600]

約数ペア:

[(1, 20209600), (2, 10104800), (4, 5052400), (5, 4041920), (8, 2526200), (10, 2020960), (16, 1263100), (17, 1188800), (20, 1010480), (25, 808384), (32, 631550), (34, 594400), (40, 505240), (50, 404192), (64, 315775), (68, 297200), (80, 252620), (85, 237760), (100, 202096), (136, 148600), (160, 126310), (170, 118880), (200, 101048), (272, 74300), (320, 63155), (340, 59440), (400, 50524), (425, 47552), (544, 37150), (680, 29720), (743, 27200), (800, 25262), (850, 23776), (1088, 18575), (1360, 14860), (1486, 13600), (1600, 12631), (1700, 11888), (2720, 7430), (2972, 6800), (3400, 5944), (3715, 5440)]