20289312

素因数分解:

$2^5\times 3^3\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1063

約数の個数: 96

約数和(自身を含む): 61810560

約数和(自身を除く): 41521248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 92, 96, 108, 138, 144, 184, 207, 216, 276, 288, 368, 414, 432, 552, 621, 736, 828, 864, 1021, 1104, 1242, 1656, 2042, 2208, 2484, 3063, 3312, 4084, 4968, 6126, 6624, 8168, 9189, 9936, 12252, 16336, 18378, 19872, 23483, 24504, 27567, 32672, 36756, 46966, 49008, 55134, 70449, 73512, 93932, 98016, 110268, 140898, 147024, 187864, 211347, 220536, 281796, 294048, 375728, 422694, 441072, 563592, 634041, 751456, 845388, 882144, 1127184, 1268082, 1690776, 2254368, 2536164, 3381552, 5072328, 6763104, 10144656, 20289312]

約数ペア:

[(1, 20289312), (2, 10144656), (3, 6763104), (4, 5072328), (6, 3381552), (8, 2536164), (9, 2254368), (12, 1690776), (16, 1268082), (18, 1127184), (23, 882144), (24, 845388), (27, 751456), (32, 634041), (36, 563592), (46, 441072), (48, 422694), (54, 375728), (69, 294048), (72, 281796), (92, 220536), (96, 211347), (108, 187864), (138, 147024), (144, 140898), (184, 110268), (207, 98016), (216, 93932), (276, 73512), (288, 70449), (368, 55134), (414, 49008), (432, 46966), (552, 36756), (621, 32672), (736, 27567), (828, 24504), (864, 23483), (1021, 19872), (1104, 18378), (1242, 16336), (1656, 12252), (2042, 9936), (2208, 9189), (2484, 8168), (3063, 6624), (3312, 6126), (4084, 4968)]