20988625320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4484749}}^1$

素因数の和:4484779

約数の個数: 96

約数和(自身を含む): 73460205000

約数和(自身を除く): 52471579680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4484749, 8969498, 13454247, 17938996, 22423745, 26908494, 35877992, 40362741, 44847490, 53816988, 58301737, 67271235, 80725482, 89694980, 107633976, 116603474, 134542470, 161450964, 174905211, 179389960, 201813705, 233206948, 269084940, 291508685, 322901928, 349810422, 403627410, 466413896, 524715633, 538169880, 583017370, 699620844, 807254820, 874526055, 1049431266, 1166034740, 1399241688, 1614509640, 1749052110, 2098862532, 2332069480, 2623578165, 3498104220, 4197725064, 5247156330, 6996208440, 10494312660, 20988625320]

約数ペア:

[(1, 20988625320), (2, 10494312660), (3, 6996208440), (4, 5247156330), (5, 4197725064), (6, 3498104220), (8, 2623578165), (9, 2332069480), (10, 2098862532), (12, 1749052110), (13, 1614509640), (15, 1399241688), (18, 1166034740), (20, 1049431266), (24, 874526055), (26, 807254820), (30, 699620844), (36, 583017370), (39, 538169880), (40, 524715633), (45, 466413896), (52, 403627410), (60, 349810422), (65, 322901928), (72, 291508685), (78, 269084940), (90, 233206948), (104, 201813705), (117, 179389960), (120, 174905211), (130, 161450964), (156, 134542470), (180, 116603474), (195, 107633976), (234, 89694980), (260, 80725482), (312, 67271235), (360, 58301737), (390, 53816988), (468, 44847490), (520, 40362741), (585, 35877992), (780, 26908494), (936, 22423745), (1170, 17938996), (1560, 13454247), (2340, 8969498), (4680, 4484749)]