20185007276

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{235663}}^1$

素因数の和:235723

約数の個数: 72

約数和(自身を含む): 45134369280

約数和(自身を除く): 24949362004

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 437, 532, 644, 874, 931, 1127, 1748, 1862, 2254, 3059, 3724, 4508, 6118, 12236, 21413, 42826, 85652, 235663, 471326, 942652, 1649641, 3299282, 4477597, 5420249, 6598564, 8955194, 10840498, 11547487, 17910388, 21680996, 23094974, 31343179, 37941743, 46189948, 62686358, 75883486, 102984731, 125372716, 151766972, 205969462, 219402253, 265592201, 411938924, 438804506, 531184402, 720893117, 877609012, 1062368804, 1441786234, 2883572468, 5046251819, 10092503638, 20185007276]

約数ペア:

[(1, 20185007276), (2, 10092503638), (4, 5046251819), (7, 2883572468), (14, 1441786234), (19, 1062368804), (23, 877609012), (28, 720893117), (38, 531184402), (46, 438804506), (49, 411938924), (76, 265592201), (92, 219402253), (98, 205969462), (133, 151766972), (161, 125372716), (196, 102984731), (266, 75883486), (322, 62686358), (437, 46189948), (532, 37941743), (644, 31343179), (874, 23094974), (931, 21680996), (1127, 17910388), (1748, 11547487), (1862, 10840498), (2254, 8955194), (3059, 6598564), (3724, 5420249), (4508, 4477597), (6118, 3299282), (12236, 1649641), (21413, 942652), (42826, 471326), (85652, 235663)]