20139957488

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{36947}}^1$

素因数の和:37150

約数の個数: 80

約数和(自身を含む): 46328653824

約数和(自身を除く): 26188696336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 157, 217, 248, 314, 434, 496, 628, 868, 1099, 1256, 1736, 2198, 2512, 3472, 4396, 4867, 8792, 9734, 17584, 19468, 34069, 36947, 38936, 68138, 73894, 77872, 136276, 147788, 258629, 272552, 295576, 517258, 545104, 591152, 1034516, 1145357, 2069032, 2290714, 4138064, 4581428, 5800679, 8017499, 9162856, 11601358, 16034998, 18325712, 23202716, 32069996, 40604753, 46405432, 64139992, 81209506, 92810864, 128279984, 162419012, 179821049, 324838024, 359642098, 649676048, 719284196, 1258747343, 1438568392, 2517494686, 2877136784, 5034989372, 10069978744, 20139957488]

約数ペア:

[(1, 20139957488), (2, 10069978744), (4, 5034989372), (7, 2877136784), (8, 2517494686), (14, 1438568392), (16, 1258747343), (28, 719284196), (31, 649676048), (56, 359642098), (62, 324838024), (112, 179821049), (124, 162419012), (157, 128279984), (217, 92810864), (248, 81209506), (314, 64139992), (434, 46405432), (496, 40604753), (628, 32069996), (868, 23202716), (1099, 18325712), (1256, 16034998), (1736, 11601358), (2198, 9162856), (2512, 8017499), (3472, 5800679), (4396, 4581428), (4867, 4138064), (8792, 2290714), (9734, 2069032), (17584, 1145357), (19468, 1034516), (34069, 591152), (36947, 545104), (38936, 517258), (68138, 295576), (73894, 272552), (77872, 258629), (136276, 147788)]