20123157848

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{4663}}^1$

素因数の和:4992

約数の個数: 64

約数和(自身を含む): 39491020800

約数和(自身を除く): 19367862952

約数列:

[1, 2, 4, 8, 41, 59, 82, 118, 164, 223, 236, 328, 446, 472, 892, 1784, 2419, 4663, 4838, 9143, 9326, 9676, 13157, 18286, 18652, 19352, 26314, 36572, 37304, 52628, 73144, 105256, 191183, 275117, 382366, 539437, 550234, 764732, 1039849, 1078874, 1100468, 1529464, 2079698, 2157748, 2200936, 4159396, 4315496, 8318792, 11279797, 22559594, 42633809, 45119188, 61351091, 85267618, 90238376, 122702182, 170535236, 245404364, 341070472, 490808728, 2515394731, 5030789462, 10061578924, 20123157848]

約数ペア:

[(1, 20123157848), (2, 10061578924), (4, 5030789462), (8, 2515394731), (41, 490808728), (59, 341070472), (82, 245404364), (118, 170535236), (164, 122702182), (223, 90238376), (236, 85267618), (328, 61351091), (446, 45119188), (472, 42633809), (892, 22559594), (1784, 11279797), (2419, 8318792), (4663, 4315496), (4838, 4159396), (9143, 2200936), (9326, 2157748), (9676, 2079698), (13157, 1529464), (18286, 1100468), (18652, 1078874), (19352, 1039849), (26314, 764732), (36572, 550234), (37304, 539437), (52628, 382366), (73144, 275117), (105256, 191183)]