20327872

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:333

約数の個数: 56

約数和(自身を含む): 43230800

約数和(自身を除く): 22902928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 73, 76, 146, 152, 229, 292, 304, 458, 584, 608, 916, 1168, 1216, 1387, 1832, 2336, 2774, 3664, 4351, 4672, 5548, 7328, 8702, 11096, 14656, 16717, 17404, 22192, 33434, 34808, 44384, 66868, 69616, 88768, 133736, 139232, 267472, 278464, 317623, 534944, 635246, 1069888, 1270492, 2540984, 5081968, 10163936, 20327872]

約数ペア:

[(1, 20327872), (2, 10163936), (4, 5081968), (8, 2540984), (16, 1270492), (19, 1069888), (32, 635246), (38, 534944), (64, 317623), (73, 278464), (76, 267472), (146, 139232), (152, 133736), (229, 88768), (292, 69616), (304, 66868), (458, 44384), (584, 34808), (608, 33434), (916, 22192), (1168, 17404), (1216, 16717), (1387, 14656), (1832, 11096), (2336, 8702), (2774, 7328), (3664, 5548), (4351, 4672)]