20149817968

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{45697}}^1$

素因数の和:45870

約数の個数: 80

約数和(自身を含む): 46420393984

約数和(自身を除く): 26270576016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 127, 217, 248, 254, 434, 496, 508, 868, 889, 1016, 1736, 1778, 2032, 3472, 3556, 3937, 7112, 7874, 14224, 15748, 27559, 31496, 45697, 55118, 62992, 91394, 110236, 182788, 220472, 319879, 365576, 440944, 639758, 731152, 1279516, 1416607, 2559032, 2833214, 5118064, 5666428, 5803519, 9916249, 11332856, 11607038, 19832498, 22665712, 23214076, 39664996, 40624633, 46428152, 79329992, 81249266, 92856304, 158659984, 162498532, 179909089, 324997064, 359818178, 649994128, 719636356, 1259363623, 1439272712, 2518727246, 2878545424, 5037454492, 10074908984, 20149817968]

約数ペア:

[(1, 20149817968), (2, 10074908984), (4, 5037454492), (7, 2878545424), (8, 2518727246), (14, 1439272712), (16, 1259363623), (28, 719636356), (31, 649994128), (56, 359818178), (62, 324997064), (112, 179909089), (124, 162498532), (127, 158659984), (217, 92856304), (248, 81249266), (254, 79329992), (434, 46428152), (496, 40624633), (508, 39664996), (868, 23214076), (889, 22665712), (1016, 19832498), (1736, 11607038), (1778, 11332856), (2032, 9916249), (3472, 5803519), (3556, 5666428), (3937, 5118064), (7112, 2833214), (7874, 2559032), (14224, 1416607), (15748, 1279516), (27559, 731152), (31496, 639758), (45697, 440944), (55118, 365576), (62992, 319879), (91394, 220472), (110236, 182788)]