20913992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10333}}^1$

素因数の和:10373

約数の個数: 32

約数和(自身を含む): 44642880

約数和(自身を除く): 23728888

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 10333, 20666, 41332, 82664, 113663, 227326, 237659, 454652, 475318, 909304, 950636, 1901272, 2614249, 5228498, 10456996, 20913992]

約数ペア:

[(1, 20913992), (2, 10456996), (4, 5228498), (8, 2614249), (11, 1901272), (22, 950636), (23, 909304), (44, 475318), (46, 454652), (88, 237659), (92, 227326), (184, 113663), (253, 82664), (506, 41332), (1012, 20666), (2024, 10333)]