20803960960

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{485167}}^1$

素因数の和:485253

約数の個数: 64

約数和(自身を含む): 50476878720

約数和(自身を除く): 29672917760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 2144, 2680, 4288, 5360, 8576, 10720, 21440, 42880, 485167, 970334, 1940668, 2425835, 3881336, 4851670, 7762672, 9703340, 15525344, 19406680, 31050688, 32506189, 38813360, 62101376, 65012378, 77626720, 130024756, 155253440, 162530945, 260049512, 310506880, 325061890, 520099024, 650123780, 1040198048, 1300247560, 2080396096, 2600495120, 4160792192, 5200990240, 10401980480, 20803960960]

約数ペア:

[(1, 20803960960), (2, 10401980480), (4, 5200990240), (5, 4160792192), (8, 2600495120), (10, 2080396096), (16, 1300247560), (20, 1040198048), (32, 650123780), (40, 520099024), (64, 325061890), (67, 310506880), (80, 260049512), (128, 162530945), (134, 155253440), (160, 130024756), (268, 77626720), (320, 65012378), (335, 62101376), (536, 38813360), (640, 32506189), (670, 31050688), (1072, 19406680), (1340, 15525344), (2144, 9703340), (2680, 7762672), (4288, 4851670), (5360, 3881336), (8576, 2425835), (10720, 1940668), (21440, 970334), (42880, 485167)]