20922660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10567}}^1$

素因数の和:10593

約数の個数: 72

約数和(自身を含む): 69241536

約数和(自身を除く): 48318876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10567, 21134, 31701, 42268, 52835, 63402, 95103, 105670, 116237, 126804, 158505, 190206, 211340, 232474, 317010, 348711, 380412, 464948, 475515, 581185, 634020, 697422, 951030, 1046133, 1162370, 1394844, 1743555, 1902060, 2092266, 2324740, 3487110, 4184532, 5230665, 6974220, 10461330, 20922660]

約数ペア:

[(1, 20922660), (2, 10461330), (3, 6974220), (4, 5230665), (5, 4184532), (6, 3487110), (9, 2324740), (10, 2092266), (11, 1902060), (12, 1743555), (15, 1394844), (18, 1162370), (20, 1046133), (22, 951030), (30, 697422), (33, 634020), (36, 581185), (44, 475515), (45, 464948), (55, 380412), (60, 348711), (66, 317010), (90, 232474), (99, 211340), (110, 190206), (132, 158505), (165, 126804), (180, 116237), (198, 105670), (220, 95103), (330, 63402), (396, 52835), (495, 42268), (660, 31701), (990, 21134), (1980, 10567)]