20290080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1090

約数の個数: 96

約数和(自身を含む): 65536128

約数和(自身を除く): 45246048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1031, 1230, 1312, 1640, 1968, 2062, 2460, 3093, 3280, 3936, 4124, 4920, 5155, 6186, 6560, 8248, 9840, 10310, 12372, 15465, 16496, 19680, 20620, 24744, 30930, 32992, 41240, 42271, 49488, 61860, 82480, 84542, 98976, 123720, 126813, 164960, 169084, 211355, 247440, 253626, 338168, 422710, 494880, 507252, 634065, 676336, 845420, 1014504, 1268130, 1352672, 1690840, 2029008, 2536260, 3381680, 4058016, 5072520, 6763360, 10145040, 20290080]

約数ペア:

[(1, 20290080), (2, 10145040), (3, 6763360), (4, 5072520), (5, 4058016), (6, 3381680), (8, 2536260), (10, 2029008), (12, 1690840), (15, 1352672), (16, 1268130), (20, 1014504), (24, 845420), (30, 676336), (32, 634065), (40, 507252), (41, 494880), (48, 422710), (60, 338168), (80, 253626), (82, 247440), (96, 211355), (120, 169084), (123, 164960), (160, 126813), (164, 123720), (205, 98976), (240, 84542), (246, 82480), (328, 61860), (410, 49488), (480, 42271), (492, 41240), (615, 32992), (656, 30930), (820, 24744), (984, 20620), (1031, 19680), (1230, 16496), (1312, 15465), (1640, 12372), (1968, 10310), (2062, 9840), (2460, 8248), (3093, 6560), (3280, 6186), (3936, 5155), (4124, 4920)]