20799452

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 40776960

約数和(自身を除く): 19977508

約数列:

[1, 2, 4, 19, 23, 38, 46, 73, 76, 92, 146, 163, 292, 326, 437, 652, 874, 1387, 1679, 1748, 2774, 3097, 3358, 3749, 5548, 6194, 6716, 7498, 11899, 12388, 14996, 23798, 31901, 47596, 63802, 71231, 127604, 142462, 226081, 273677, 284924, 452162, 547354, 904324, 1094708, 5199863, 10399726, 20799452]

約数ペア:

[(1, 20799452), (2, 10399726), (4, 5199863), (19, 1094708), (23, 904324), (38, 547354), (46, 452162), (73, 284924), (76, 273677), (92, 226081), (146, 142462), (163, 127604), (292, 71231), (326, 63802), (437, 47596), (652, 31901), (874, 23798), (1387, 14996), (1679, 12388), (1748, 11899), (2774, 7498), (3097, 6716), (3358, 6194), (3749, 5548)]