20668352

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:793

約数の個数: 56

約数和(自身を含む): 45110400

約数和(自身を除く): 24442048

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 152, 184, 304, 368, 437, 608, 736, 739, 874, 1216, 1472, 1478, 1748, 2956, 3496, 5912, 6992, 11824, 13984, 14041, 16997, 23648, 27968, 28082, 33994, 47296, 56164, 67988, 112328, 135976, 224656, 271952, 322943, 449312, 543904, 645886, 898624, 1087808, 1291772, 2583544, 5167088, 10334176, 20668352]

約数ペア:

[(1, 20668352), (2, 10334176), (4, 5167088), (8, 2583544), (16, 1291772), (19, 1087808), (23, 898624), (32, 645886), (38, 543904), (46, 449312), (64, 322943), (76, 271952), (92, 224656), (152, 135976), (184, 112328), (304, 67988), (368, 56164), (437, 47296), (608, 33994), (736, 28082), (739, 27968), (874, 23648), (1216, 16997), (1472, 14041), (1478, 13984), (1748, 11824), (2956, 6992), (3496, 5912)]