20463801840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{916837}}^1$

素因数の和:916887

約数の個数: 120

約数和(自身を含む): 70941257088

約数和(自身を除く): 50477455248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 916837, 1833674, 2750511, 3667348, 4584185, 5501022, 7334696, 8251533, 9168370, 11002044, 13752555, 14669392, 16503066, 18336740, 22004088, 27505110, 28421947, 33006132, 36673480, 41257665, 44008176, 55010220, 56843894, 66012264, 73346960, 82515330, 85265841, 110020440, 113687788, 132024528, 142109735, 165030660, 170531682, 220040880, 227375576, 255797523, 284219470, 330061320, 341063364, 426329205, 454751152, 511595046, 568438940, 660122640, 682126728, 852658410, 1023190092, 1136877880, 1278987615, 1364253456, 1705316820, 2046380184, 2273755760, 2557975230, 3410633640, 4092760368, 5115950460, 6821267280, 10231900920, 20463801840]

約数ペア:

[(1, 20463801840), (2, 10231900920), (3, 6821267280), (4, 5115950460), (5, 4092760368), (6, 3410633640), (8, 2557975230), (9, 2273755760), (10, 2046380184), (12, 1705316820), (15, 1364253456), (16, 1278987615), (18, 1136877880), (20, 1023190092), (24, 852658410), (30, 682126728), (31, 660122640), (36, 568438940), (40, 511595046), (45, 454751152), (48, 426329205), (60, 341063364), (62, 330061320), (72, 284219470), (80, 255797523), (90, 227375576), (93, 220040880), (120, 170531682), (124, 165030660), (144, 142109735), (155, 132024528), (180, 113687788), (186, 110020440), (240, 85265841), (248, 82515330), (279, 73346960), (310, 66012264), (360, 56843894), (372, 55010220), (465, 44008176), (496, 41257665), (558, 36673480), (620, 33006132), (720, 28421947), (744, 27505110), (930, 22004088), (1116, 18336740), (1240, 16503066), (1395, 14669392), (1488, 13752555), (1860, 11002044), (2232, 9168370), (2480, 8251533), (2790, 7334696), (3720, 5501022), (4464, 4584185), (5580, 3667348), (7440, 2750511), (11160, 1833674), (22320, 916837)]