20439168

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 59927040

約数和(自身を除く): 39487872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 48, 51, 62, 64, 68, 93, 96, 101, 102, 124, 128, 136, 186, 192, 202, 204, 248, 272, 303, 372, 384, 404, 408, 496, 527, 544, 606, 744, 808, 816, 992, 1054, 1088, 1212, 1488, 1581, 1616, 1632, 1717, 1984, 2108, 2176, 2424, 2976, 3131, 3162, 3232, 3264, 3434, 3968, 4216, 4848, 5151, 5952, 6262, 6324, 6464, 6528, 6868, 8432, 9393, 9696, 10302, 11904, 12524, 12648, 12928, 13736, 16864, 18786, 19392, 20604, 25048, 25296, 27472, 33728, 37572, 38784, 41208, 50096, 50592, 53227, 54944, 67456, 75144, 82416, 100192, 101184, 106454, 109888, 150288, 159681, 164832, 200384, 202368, 212908, 219776, 300576, 319362, 329664, 400768, 425816, 601152, 638724, 659328, 851632, 1202304, 1277448, 1703264, 2554896, 3406528, 5109792, 6813056, 10219584, 20439168]

約数ペア:

[(1, 20439168), (2, 10219584), (3, 6813056), (4, 5109792), (6, 3406528), (8, 2554896), (12, 1703264), (16, 1277448), (17, 1202304), (24, 851632), (31, 659328), (32, 638724), (34, 601152), (48, 425816), (51, 400768), (62, 329664), (64, 319362), (68, 300576), (93, 219776), (96, 212908), (101, 202368), (102, 200384), (124, 164832), (128, 159681), (136, 150288), (186, 109888), (192, 106454), (202, 101184), (204, 100192), (248, 82416), (272, 75144), (303, 67456), (372, 54944), (384, 53227), (404, 50592), (408, 50096), (496, 41208), (527, 38784), (544, 37572), (606, 33728), (744, 27472), (808, 25296), (816, 25048), (992, 20604), (1054, 19392), (1088, 18786), (1212, 16864), (1488, 13736), (1581, 12928), (1616, 12648), (1632, 12524), (1717, 11904), (1984, 10302), (2108, 9696), (2176, 9393), (2424, 8432), (2976, 6868), (3131, 6528), (3162, 6464), (3232, 6324), (3264, 6262), (3434, 5952), (3968, 5151), (4216, 4848)]