20113856

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 112

約数和(自身を含む): 51206400

約数和(自身を除く): 31092544

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 112, 119, 133, 136, 139, 152, 224, 238, 266, 272, 278, 304, 323, 448, 476, 532, 544, 556, 608, 646, 952, 973, 1064, 1088, 1112, 1216, 1292, 1904, 1946, 2128, 2224, 2261, 2363, 2584, 2641, 3808, 3892, 4256, 4448, 4522, 4726, 5168, 5282, 7616, 7784, 8512, 8896, 9044, 9452, 10336, 10564, 15568, 16541, 18088, 18487, 18904, 20672, 21128, 31136, 33082, 36176, 36974, 37808, 42256, 44897, 62272, 66164, 72352, 73948, 75616, 84512, 89794, 132328, 144704, 147896, 151232, 169024, 179588, 264656, 295792, 314279, 359176, 529312, 591584, 628558, 718352, 1058624, 1183168, 1257116, 1436704, 2514232, 2873408, 5028464, 10056928, 20113856]

約数ペア:

[(1, 20113856), (2, 10056928), (4, 5028464), (7, 2873408), (8, 2514232), (14, 1436704), (16, 1257116), (17, 1183168), (19, 1058624), (28, 718352), (32, 628558), (34, 591584), (38, 529312), (56, 359176), (64, 314279), (68, 295792), (76, 264656), (112, 179588), (119, 169024), (133, 151232), (136, 147896), (139, 144704), (152, 132328), (224, 89794), (238, 84512), (266, 75616), (272, 73948), (278, 72352), (304, 66164), (323, 62272), (448, 44897), (476, 42256), (532, 37808), (544, 36974), (556, 36176), (608, 33082), (646, 31136), (952, 21128), (973, 20672), (1064, 18904), (1088, 18487), (1112, 18088), (1216, 16541), (1292, 15568), (1904, 10564), (1946, 10336), (2128, 9452), (2224, 9044), (2261, 8896), (2363, 8512), (2584, 7784), (2641, 7616), (3808, 5282), (3892, 5168), (4256, 4726), (4448, 4522)]