20216240464

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{12451}}^1$

素因数の和:12601

約数の個数: 120

約数和(自身を含む): 48405904800

約数和(自身を除く): 28189664336

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 109, 112, 133, 152, 196, 218, 266, 304, 392, 436, 532, 763, 784, 872, 931, 1064, 1526, 1744, 1862, 2071, 2128, 3052, 3724, 4142, 5341, 6104, 7448, 8284, 10682, 12208, 12451, 14497, 14896, 16568, 21364, 24902, 28994, 33136, 42728, 49804, 57988, 85456, 87157, 99608, 101479, 115976, 174314, 199216, 202958, 231952, 236569, 348628, 405916, 473138, 610099, 697256, 811832, 946276, 1220198, 1357159, 1394512, 1623664, 1655983, 1892552, 2440396, 2714318, 3311966, 3785104, 4880792, 5428636, 6623932, 9500113, 9761584, 10857272, 11591881, 13247864, 19000226, 21714544, 23183762, 25786021, 26495728, 38000452, 46367524, 51572042, 66500791, 76000904, 92735048, 103144084, 133001582, 152001808, 180502147, 185470096, 206288168, 266003164, 361004294, 412576336, 532006328, 722008588, 1064012656, 1263515029, 1444017176, 2527030058, 2888034352, 5054060116, 10108120232, 20216240464]

約数ペア:

[(1, 20216240464), (2, 10108120232), (4, 5054060116), (7, 2888034352), (8, 2527030058), (14, 1444017176), (16, 1263515029), (19, 1064012656), (28, 722008588), (38, 532006328), (49, 412576336), (56, 361004294), (76, 266003164), (98, 206288168), (109, 185470096), (112, 180502147), (133, 152001808), (152, 133001582), (196, 103144084), (218, 92735048), (266, 76000904), (304, 66500791), (392, 51572042), (436, 46367524), (532, 38000452), (763, 26495728), (784, 25786021), (872, 23183762), (931, 21714544), (1064, 19000226), (1526, 13247864), (1744, 11591881), (1862, 10857272), (2071, 9761584), (2128, 9500113), (3052, 6623932), (3724, 5428636), (4142, 4880792), (5341, 3785104), (6104, 3311966), (7448, 2714318), (8284, 2440396), (10682, 1892552), (12208, 1655983), (12451, 1623664), (14497, 1394512), (14896, 1357159), (16568, 1220198), (21364, 946276), (24902, 811832), (28994, 697256), (33136, 610099), (42728, 473138), (49804, 405916), (57988, 348628), (85456, 236569), (87157, 231952), (99608, 202958), (101479, 199216), (115976, 174314)]