20735179916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{2207}}^1$

素因数の和:2487

約数の個数: 96

約数和(自身を含む): 42287616000

約数和(自身を除く): 21552436084

約数列:

[1, 2, 4, 11, 22, 29, 37, 44, 58, 74, 116, 148, 199, 319, 398, 407, 638, 796, 814, 1073, 1276, 1628, 2146, 2189, 2207, 4292, 4378, 4414, 5771, 7363, 8756, 8828, 11542, 11803, 14726, 23084, 23606, 24277, 29452, 47212, 48554, 63481, 64003, 80993, 81659, 97108, 126962, 128006, 161986, 163318, 213527, 253924, 256012, 323972, 326636, 427054, 439193, 704033, 854108, 878386, 898249, 1408066, 1756772, 1796498, 2348797, 2368111, 2816132, 3592996, 4697594, 4736222, 4831123, 9395188, 9472444, 9662246, 12736597, 16250141, 19324492, 25473194, 26049221, 32500282, 50946388, 52098442, 65000564, 104196884, 140102567, 178751551, 280205134, 357503102, 471254089, 560410268, 715006204, 942508178, 1885016356, 5183794979, 10367589958, 20735179916]

約数ペア:

[(1, 20735179916), (2, 10367589958), (4, 5183794979), (11, 1885016356), (22, 942508178), (29, 715006204), (37, 560410268), (44, 471254089), (58, 357503102), (74, 280205134), (116, 178751551), (148, 140102567), (199, 104196884), (319, 65000564), (398, 52098442), (407, 50946388), (638, 32500282), (796, 26049221), (814, 25473194), (1073, 19324492), (1276, 16250141), (1628, 12736597), (2146, 9662246), (2189, 9472444), (2207, 9395188), (4292, 4831123), (4378, 4736222), (4414, 4697594), (5771, 3592996), (7363, 2816132), (8756, 2368111), (8828, 2348797), (11542, 1796498), (11803, 1756772), (14726, 1408066), (23084, 898249), (23606, 878386), (24277, 854108), (29452, 704033), (47212, 439193), (48554, 427054), (63481, 326636), (64003, 323972), (80993, 256012), (81659, 253924), (97108, 213527), (126962, 163318), (128006, 161986)]