20280551336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 42032390400

約数和(自身を除く): 21751839064

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 83, 106, 109, 136, 166, 212, 218, 311, 332, 424, 436, 622, 664, 872, 901, 1244, 1411, 1802, 1853, 2488, 2822, 3604, 3706, 4399, 5287, 5644, 5777, 7208, 7412, 8798, 9047, 10574, 11288, 11554, 14824, 16483, 17596, 18094, 21148, 23108, 25813, 32966, 33899, 35192, 36188, 42296, 46216, 51626, 65932, 67798, 72376, 74783, 98209, 103252, 131864, 135596, 149566, 153799, 196418, 206504, 271192, 280211, 299132, 307598, 392836, 438821, 479491, 560422, 576283, 598264, 615196, 785672, 877642, 958982, 1120844, 1152566, 1230392, 1368089, 1755284, 1796647, 1917964, 2241688, 2305132, 2736178, 2813617, 3510568, 3593294, 3835928, 4610264, 5472356, 5627234, 7186588, 8151347, 10944712, 11254468, 14373176, 16302694, 22508936, 23257513, 30542999, 32605388, 46515026, 47831489, 61085998, 65210776, 93030052, 95662978, 122171996, 149121701, 186060104, 191325956, 244343992, 298243402, 382651912, 596486804, 1192973608, 2535068917, 5070137834, 10140275668, 20280551336]

約数ペア:

[(1, 20280551336), (2, 10140275668), (4, 5070137834), (8, 2535068917), (17, 1192973608), (34, 596486804), (53, 382651912), (68, 298243402), (83, 244343992), (106, 191325956), (109, 186060104), (136, 149121701), (166, 122171996), (212, 95662978), (218, 93030052), (311, 65210776), (332, 61085998), (424, 47831489), (436, 46515026), (622, 32605388), (664, 30542999), (872, 23257513), (901, 22508936), (1244, 16302694), (1411, 14373176), (1802, 11254468), (1853, 10944712), (2488, 8151347), (2822, 7186588), (3604, 5627234), (3706, 5472356), (4399, 4610264), (5287, 3835928), (5644, 3593294), (5777, 3510568), (7208, 2813617), (7412, 2736178), (8798, 2305132), (9047, 2241688), (10574, 1917964), (11288, 1796647), (11554, 1755284), (14824, 1368089), (16483, 1230392), (17596, 1152566), (18094, 1120844), (21148, 958982), (23108, 877642), (25813, 785672), (32966, 615196), (33899, 598264), (35192, 576283), (36188, 560422), (42296, 479491), (46216, 438821), (51626, 392836), (65932, 307598), (67798, 299132), (72376, 280211), (74783, 271192), (98209, 206504), (103252, 196418), (131864, 153799), (135596, 149566)]