20800384

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 28037216

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 79, 88, 121, 128, 136, 158, 176, 187, 242, 272, 316, 352, 374, 484, 544, 632, 704, 748, 869, 968, 1088, 1264, 1343, 1408, 1496, 1738, 1936, 2057, 2176, 2528, 2686, 2992, 3476, 3872, 4114, 5056, 5372, 5984, 6952, 7744, 8228, 9559, 10112, 10744, 11968, 13904, 14773, 15488, 16456, 19118, 21488, 23936, 27808, 29546, 32912, 38236, 42976, 55616, 59092, 65824, 76472, 85952, 111232, 118184, 131648, 152944, 162503, 171904, 236368, 263296, 305888, 325006, 472736, 611776, 650012, 945472, 1223552, 1300024, 1890944, 2600048, 5200096, 10400192, 20800384]

約数ペア:

[(1, 20800384), (2, 10400192), (4, 5200096), (8, 2600048), (11, 1890944), (16, 1300024), (17, 1223552), (22, 945472), (32, 650012), (34, 611776), (44, 472736), (64, 325006), (68, 305888), (79, 263296), (88, 236368), (121, 171904), (128, 162503), (136, 152944), (158, 131648), (176, 118184), (187, 111232), (242, 85952), (272, 76472), (316, 65824), (352, 59092), (374, 55616), (484, 42976), (544, 38236), (632, 32912), (704, 29546), (748, 27808), (869, 23936), (968, 21488), (1088, 19118), (1264, 16456), (1343, 15488), (1408, 14773), (1496, 13904), (1738, 11968), (1936, 10744), (2057, 10112), (2176, 9559), (2528, 8228), (2686, 7744), (2992, 6952), (3476, 5984), (3872, 5372), (4114, 5056)]