20123328

素因数分解:

$2^6\times 3^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:821

約数の個数: 56

約数和(自身を含む): 53652928

約数和(自身を除く): 33529600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 163, 192, 326, 489, 643, 652, 978, 1286, 1304, 1929, 1956, 2572, 2608, 3858, 3912, 5144, 5216, 7716, 7824, 10288, 10432, 15432, 15648, 20576, 30864, 31296, 41152, 61728, 104809, 123456, 209618, 314427, 419236, 628854, 838472, 1257708, 1676944, 2515416, 3353888, 5030832, 6707776, 10061664, 20123328]

約数ペア:

[(1, 20123328), (2, 10061664), (3, 6707776), (4, 5030832), (6, 3353888), (8, 2515416), (12, 1676944), (16, 1257708), (24, 838472), (32, 628854), (48, 419236), (64, 314427), (96, 209618), (163, 123456), (192, 104809), (326, 61728), (489, 41152), (643, 31296), (652, 30864), (978, 20576), (1286, 15648), (1304, 15432), (1929, 10432), (1956, 10288), (2572, 7824), (2608, 7716), (3858, 5216), (3912, 5144)]