20408058748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{29753}}^1$

素因数の和:29923

約数の個数: 96

約数和(自身を含む): 47507378688

約数和(自身を除く): 27099319940

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 131, 154, 187, 238, 262, 308, 374, 476, 524, 748, 917, 1309, 1441, 1834, 2227, 2618, 2882, 3668, 4454, 5236, 5764, 8908, 10087, 15589, 20174, 24497, 29753, 31178, 40348, 48994, 59506, 62356, 97988, 119012, 171479, 208271, 327283, 342958, 416542, 505801, 654566, 685916, 833084, 1011602, 1309132, 2023204, 2290981, 3540607, 3897643, 4581962, 5563811, 7081214, 7795286, 9163924, 11127622, 14162428, 15590572, 22255244, 27283501, 38946677, 42874073, 54567002, 66259931, 77893354, 85748146, 109134004, 132519862, 155786708, 171496292, 265039724, 300118511, 463819517, 600237022, 728859241, 927639034, 1200474044, 1457718482, 1855278068, 2915436964, 5102014687, 10204029374, 20408058748]

約数ペア:

[(1, 20408058748), (2, 10204029374), (4, 5102014687), (7, 2915436964), (11, 1855278068), (14, 1457718482), (17, 1200474044), (22, 927639034), (28, 728859241), (34, 600237022), (44, 463819517), (68, 300118511), (77, 265039724), (119, 171496292), (131, 155786708), (154, 132519862), (187, 109134004), (238, 85748146), (262, 77893354), (308, 66259931), (374, 54567002), (476, 42874073), (524, 38946677), (748, 27283501), (917, 22255244), (1309, 15590572), (1441, 14162428), (1834, 11127622), (2227, 9163924), (2618, 7795286), (2882, 7081214), (3668, 5563811), (4454, 4581962), (5236, 3897643), (5764, 3540607), (8908, 2290981), (10087, 2023204), (15589, 1309132), (20174, 1011602), (24497, 833084), (29753, 685916), (31178, 654566), (40348, 505801), (48994, 416542), (59506, 342958), (62356, 327283), (97988, 208271), (119012, 171479)]