20107746

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 45261216

約数和(自身を除く): 25153470

約数列:

[1, 2, 3, 6, 9, 18, 43, 83, 86, 129, 166, 249, 258, 313, 387, 498, 626, 747, 774, 939, 1494, 1878, 2817, 3569, 5634, 7138, 10707, 13459, 21414, 25979, 26918, 32121, 40377, 51958, 64242, 77937, 80754, 121131, 155874, 233811, 242262, 467622, 1117097, 2234194, 3351291, 6702582, 10053873, 20107746]

約数ペア:

[(1, 20107746), (2, 10053873), (3, 6702582), (6, 3351291), (9, 2234194), (18, 1117097), (43, 467622), (83, 242262), (86, 233811), (129, 155874), (166, 121131), (249, 80754), (258, 77937), (313, 64242), (387, 51958), (498, 40377), (626, 32121), (747, 26918), (774, 25979), (939, 21414), (1494, 13459), (1878, 10707), (2817, 7138), (3569, 5634)]