20923656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 56784000

約数和(自身を除く): 35860344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 199, 312, 337, 398, 597, 674, 796, 1011, 1194, 1348, 1592, 2022, 2388, 2587, 2696, 4044, 4381, 4776, 5174, 7761, 8088, 8762, 10348, 13143, 15522, 17524, 20696, 26286, 31044, 35048, 52572, 62088, 67063, 105144, 134126, 201189, 268252, 402378, 536504, 804756, 871819, 1609512, 1743638, 2615457, 3487276, 5230914, 6974552, 10461828, 20923656]

約数ペア:

[(1, 20923656), (2, 10461828), (3, 6974552), (4, 5230914), (6, 3487276), (8, 2615457), (12, 1743638), (13, 1609512), (24, 871819), (26, 804756), (39, 536504), (52, 402378), (78, 268252), (104, 201189), (156, 134126), (199, 105144), (312, 67063), (337, 62088), (398, 52572), (597, 35048), (674, 31044), (796, 26286), (1011, 20696), (1194, 17524), (1348, 15522), (1592, 13143), (2022, 10348), (2388, 8762), (2587, 8088), (2696, 7761), (4044, 5174), (4381, 4776)]