20687392159

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3472787}}^1$

素因数の和:3472854

約数の個数: 16

約数和(自身を含む): 25337461248

約数和(自身を除く): 4650069089

約数列:

[1, 7, 23, 37, 161, 259, 851, 5957, 3472787, 24309509, 79874101, 128493119, 559118707, 899451833, 2955341737, 20687392159]

約数ペア:

[(1, 20687392159), (7, 2955341737), (23, 899451833), (37, 559118707), (161, 128493119), (259, 79874101), (851, 24309509), (5957, 3472787)]