20848304

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 42518112

約数和(自身を除く): 21669808

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 181, 184, 313, 362, 368, 626, 724, 1252, 1448, 2504, 2896, 4163, 5008, 7199, 8326, 14398, 16652, 28796, 33304, 56653, 57592, 66608, 113306, 115184, 226612, 453224, 906448, 1303019, 2606038, 5212076, 10424152, 20848304]

約数ペア:

[(1, 20848304), (2, 10424152), (4, 5212076), (8, 2606038), (16, 1303019), (23, 906448), (46, 453224), (92, 226612), (181, 115184), (184, 113306), (313, 66608), (362, 57592), (368, 56653), (626, 33304), (724, 28796), (1252, 16652), (1448, 14398), (2504, 8326), (2896, 7199), (4163, 5008)]