20649168

素因数分解:

$2^4\times 3^5\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 120

約数和(自身を含む): 61746048

約数和(自身を除く): 41096880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 81, 94, 108, 113, 141, 144, 162, 188, 216, 226, 243, 282, 324, 339, 376, 423, 432, 452, 486, 564, 648, 678, 752, 846, 904, 972, 1017, 1128, 1269, 1296, 1356, 1692, 1808, 1944, 2034, 2256, 2538, 2712, 3051, 3384, 3807, 3888, 4068, 5076, 5311, 5424, 6102, 6768, 7614, 8136, 9153, 10152, 10622, 11421, 12204, 15228, 15933, 16272, 18306, 20304, 21244, 22842, 24408, 27459, 30456, 31866, 36612, 42488, 45684, 47799, 48816, 54918, 60912, 63732, 73224, 84976, 91368, 95598, 109836, 127464, 143397, 146448, 182736, 191196, 219672, 254928, 286794, 382392, 430191, 439344, 573588, 764784, 860382, 1147176, 1290573, 1720764, 2294352, 2581146, 3441528, 5162292, 6883056, 10324584, 20649168]

約数ペア:

[(1, 20649168), (2, 10324584), (3, 6883056), (4, 5162292), (6, 3441528), (8, 2581146), (9, 2294352), (12, 1720764), (16, 1290573), (18, 1147176), (24, 860382), (27, 764784), (36, 573588), (47, 439344), (48, 430191), (54, 382392), (72, 286794), (81, 254928), (94, 219672), (108, 191196), (113, 182736), (141, 146448), (144, 143397), (162, 127464), (188, 109836), (216, 95598), (226, 91368), (243, 84976), (282, 73224), (324, 63732), (339, 60912), (376, 54918), (423, 48816), (432, 47799), (452, 45684), (486, 42488), (564, 36612), (648, 31866), (678, 30456), (752, 27459), (846, 24408), (904, 22842), (972, 21244), (1017, 20304), (1128, 18306), (1269, 16272), (1296, 15933), (1356, 15228), (1692, 12204), (1808, 11421), (1944, 10622), (2034, 10152), (2256, 9153), (2538, 8136), (2712, 7614), (3051, 6768), (3384, 6102), (3807, 5424), (3888, 5311), (4068, 5076)]