20928693912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1\times {\mathrm{4013}}^1$

素因数の和:4905

約数の個数: 128

約数和(自身を含む): 61500902400

約数和(自身を除く): 40572208488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 839, 888, 1036, 1554, 1678, 2072, 2517, 3108, 3356, 4013, 5034, 5873, 6216, 6712, 8026, 10068, 11746, 12039, 16052, 17619, 20136, 23492, 24078, 28091, 31043, 32104, 35238, 46984, 48156, 56182, 62086, 70476, 84273, 93129, 96312, 112364, 124172, 140952, 148481, 168546, 186258, 217301, 224728, 248344, 296962, 337092, 372516, 434602, 445443, 593924, 651903, 674184, 745032, 869204, 890886, 1039367, 1187848, 1303806, 1738408, 1781772, 2078734, 2607612, 3118101, 3366907, 3563544, 4157468, 5215224, 6236202, 6733814, 8314936, 10100721, 12472404, 13467628, 20201442, 23568349, 24944808, 26935256, 40402884, 47136698, 70705047, 80805768, 94273396, 124575559, 141410094, 188546792, 249151118, 282820188, 373726677, 498302236, 565640376, 747453354, 872028913, 996604472, 1494906708, 1744057826, 2616086739, 2989813416, 3488115652, 5232173478, 6976231304, 10464346956, 20928693912]

約数ペア:

[(1, 20928693912), (2, 10464346956), (3, 6976231304), (4, 5232173478), (6, 3488115652), (7, 2989813416), (8, 2616086739), (12, 1744057826), (14, 1494906708), (21, 996604472), (24, 872028913), (28, 747453354), (37, 565640376), (42, 498302236), (56, 373726677), (74, 282820188), (84, 249151118), (111, 188546792), (148, 141410094), (168, 124575559), (222, 94273396), (259, 80805768), (296, 70705047), (444, 47136698), (518, 40402884), (777, 26935256), (839, 24944808), (888, 23568349), (1036, 20201442), (1554, 13467628), (1678, 12472404), (2072, 10100721), (2517, 8314936), (3108, 6733814), (3356, 6236202), (4013, 5215224), (5034, 4157468), (5873, 3563544), (6216, 3366907), (6712, 3118101), (8026, 2607612), (10068, 2078734), (11746, 1781772), (12039, 1738408), (16052, 1303806), (17619, 1187848), (20136, 1039367), (23492, 890886), (24078, 869204), (28091, 745032), (31043, 674184), (32104, 651903), (35238, 593924), (46984, 445443), (48156, 434602), (56182, 372516), (62086, 337092), (70476, 296962), (84273, 248344), (93129, 224728), (96312, 217301), (112364, 186258), (124172, 168546), (140952, 148481)]