20491502715040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{31490507}}^1$

素因数の和:31490619

約数の個数: 144

約数和(自身を含む): 56993536770912

約数和(自身を除く): 36502034055872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 83, 98, 112, 140, 160, 166, 196, 224, 245, 280, 332, 392, 415, 490, 560, 581, 664, 784, 830, 980, 1120, 1162, 1328, 1568, 1660, 1960, 2324, 2656, 2905, 3320, 3920, 4067, 4648, 5810, 6640, 7840, 8134, 9296, 11620, 13280, 16268, 18592, 20335, 23240, 32536, 40670, 46480, 65072, 81340, 92960, 130144, 162680, 325360, 650720, 31490507, 62981014, 125962028, 157452535, 220433549, 251924056, 314905070, 440867098, 503848112, 629810140, 881734196, 1007696224, 1102167745, 1259620280, 1543034843, 1763468392, 2204335490, 2519240560, 2613712081, 3086069686, 3526936784, 4408670980, 5038481120, 5227424162, 6172139372, 7053873568, 7715174215, 8817341960, 10454848324, 12344278744, 13068560405, 15430348430, 17634683920, 18295984567, 20909696648, 24688557488, 26137120810, 30860696860, 35269367840, 36591969134, 41819393296, 49377114976, 52274241620, 61721393720, 73183938268, 83638786592, 91479922835, 104548483240, 123442787440, 128071891969, 146367876536, 182959845670, 209096966480, 246885574880, 256143783938, 292735753072, 365919691340, 418193932960, 512287567876, 585471506144, 640359459845, 731839382680, 1024575135752, 1280718919690, 1463678765360, 2049150271504, 2561437839380, 2927357530720, 4098300543008, 5122875678760, 10245751357520, 20491502715040]

約数ペア:

[(1, 20491502715040), (2, 10245751357520), (4, 5122875678760), (5, 4098300543008), (7, 2927357530720), (8, 2561437839380), (10, 2049150271504), (14, 1463678765360), (16, 1280718919690), (20, 1024575135752), (28, 731839382680), (32, 640359459845), (35, 585471506144), (40, 512287567876), (49, 418193932960), (56, 365919691340), (70, 292735753072), (80, 256143783938), (83, 246885574880), (98, 209096966480), (112, 182959845670), (140, 146367876536), (160, 128071891969), (166, 123442787440), (196, 104548483240), (224, 91479922835), (245, 83638786592), (280, 73183938268), (332, 61721393720), (392, 52274241620), (415, 49377114976), (490, 41819393296), (560, 36591969134), (581, 35269367840), (664, 30860696860), (784, 26137120810), (830, 24688557488), (980, 20909696648), (1120, 18295984567), (1162, 17634683920), (1328, 15430348430), (1568, 13068560405), (1660, 12344278744), (1960, 10454848324), (2324, 8817341960), (2656, 7715174215), (2905, 7053873568), (3320, 6172139372), (3920, 5227424162), (4067, 5038481120), (4648, 4408670980), (5810, 3526936784), (6640, 3086069686), (7840, 2613712081), (8134, 2519240560), (9296, 2204335490), (11620, 1763468392), (13280, 1543034843), (16268, 1259620280), (18592, 1102167745), (20335, 1007696224), (23240, 881734196), (32536, 629810140), (40670, 503848112), (46480, 440867098), (65072, 314905070), (81340, 251924056), (92960, 220433549), (130144, 157452535), (162680, 125962028), (325360, 62981014), (650720, 31490507)]