20465736

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 55358400

約数和(自身を除く): 34892664

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1213, 1406, 2109, 2426, 2812, 3639, 4218, 4852, 5624, 7278, 8436, 9704, 14556, 16872, 23047, 29112, 44881, 46094, 69141, 89762, 92188, 134643, 138282, 179524, 184376, 269286, 276564, 359048, 538572, 553128, 852739, 1077144, 1705478, 2558217, 3410956, 5116434, 6821912, 10232868, 20465736]

約数ペア:

[(1, 20465736), (2, 10232868), (3, 6821912), (4, 5116434), (6, 3410956), (8, 2558217), (12, 1705478), (19, 1077144), (24, 852739), (37, 553128), (38, 538572), (57, 359048), (74, 276564), (76, 269286), (111, 184376), (114, 179524), (148, 138282), (152, 134643), (222, 92188), (228, 89762), (296, 69141), (444, 46094), (456, 44881), (703, 29112), (888, 23047), (1213, 16872), (1406, 14556), (2109, 9704), (2426, 8436), (2812, 7278), (3639, 5624), (4218, 4852)]