20569648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 44099856

約数和(自身を除く): 23530208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1601, 1606, 3202, 3212, 6404, 6424, 12808, 12848, 17611, 25616, 35222, 70444, 116873, 140888, 233746, 281776, 467492, 934984, 1285603, 1869968, 2571206, 5142412, 10284824, 20569648]

約数ペア:

[(1, 20569648), (2, 10284824), (4, 5142412), (8, 2571206), (11, 1869968), (16, 1285603), (22, 934984), (44, 467492), (73, 281776), (88, 233746), (146, 140888), (176, 116873), (292, 70444), (584, 35222), (803, 25616), (1168, 17611), (1601, 12848), (1606, 12808), (3202, 6424), (3212, 6404)]