20504988

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9041}}^1$

素因数の和:9064

約数の個数: 60

約数和(自身を含む): 61268592

約数和(自身を除く): 40763604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9041, 18082, 27123, 36164, 54246, 63287, 81369, 108492, 126574, 162738, 189861, 244107, 253148, 325476, 379722, 488214, 569583, 732321, 759444, 976428, 1139166, 1464642, 1708749, 2278332, 2929284, 3417498, 5126247, 6834996, 10252494, 20504988]

約数ペア:

[(1, 20504988), (2, 10252494), (3, 6834996), (4, 5126247), (6, 3417498), (7, 2929284), (9, 2278332), (12, 1708749), (14, 1464642), (18, 1139166), (21, 976428), (27, 759444), (28, 732321), (36, 569583), (42, 488214), (54, 379722), (63, 325476), (81, 253148), (84, 244107), (108, 189861), (126, 162738), (162, 126574), (189, 108492), (252, 81369), (324, 63287), (378, 54246), (567, 36164), (756, 27123), (1134, 18082), (2268, 9041)]