20263728

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 58389120

約数和(自身を除く): 38125392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 272, 304, 323, 408, 456, 646, 816, 912, 969, 1292, 1307, 1938, 2584, 2614, 3876, 3921, 5168, 5228, 7752, 7842, 10456, 15504, 15684, 20912, 22219, 24833, 31368, 44438, 49666, 62736, 66657, 74499, 88876, 99332, 133314, 148998, 177752, 198664, 266628, 297996, 355504, 397328, 422161, 533256, 595992, 844322, 1066512, 1191984, 1266483, 1688644, 2532966, 3377288, 5065932, 6754576, 10131864, 20263728]

約数ペア:

[(1, 20263728), (2, 10131864), (3, 6754576), (4, 5065932), (6, 3377288), (8, 2532966), (12, 1688644), (16, 1266483), (17, 1191984), (19, 1066512), (24, 844322), (34, 595992), (38, 533256), (48, 422161), (51, 397328), (57, 355504), (68, 297996), (76, 266628), (102, 198664), (114, 177752), (136, 148998), (152, 133314), (204, 99332), (228, 88876), (272, 74499), (304, 66657), (323, 62736), (408, 49666), (456, 44438), (646, 31368), (816, 24833), (912, 22219), (969, 20912), (1292, 15684), (1307, 15504), (1938, 10456), (2584, 7842), (2614, 7752), (3876, 5228), (3921, 5168)]