20667304

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2039}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 44553600

約数和(自身を除く): 23886296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2039, 2534, 4078, 5068, 8156, 10136, 14273, 16312, 28546, 57092, 114184, 369059, 738118, 1476236, 2583413, 2952472, 5166826, 10333652, 20667304]

約数ペア:

[(1, 20667304), (2, 10333652), (4, 5166826), (7, 2952472), (8, 2583413), (14, 1476236), (28, 738118), (56, 369059), (181, 114184), (362, 57092), (724, 28546), (1267, 16312), (1448, 14273), (2039, 10136), (2534, 8156), (4078, 5068)]