20884128

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2717

約数の個数: 48

約数和(自身を含む): 55502496

約数和(自身を除く): 34618368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2621, 2656, 3984, 5242, 7863, 7968, 10484, 15726, 20968, 31452, 41936, 62904, 83872, 125808, 217543, 251616, 435086, 652629, 870172, 1305258, 1740344, 2610516, 3480688, 5221032, 6961376, 10442064, 20884128]

約数ペア:

[(1, 20884128), (2, 10442064), (3, 6961376), (4, 5221032), (6, 3480688), (8, 2610516), (12, 1740344), (16, 1305258), (24, 870172), (32, 652629), (48, 435086), (83, 251616), (96, 217543), (166, 125808), (249, 83872), (332, 62904), (498, 41936), (664, 31452), (996, 20968), (1328, 15726), (1992, 10484), (2621, 7968), (2656, 7863), (3984, 5242)]