20040180472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{192694043}}^1$

素因数の和:192694062

約数の個数: 16

約数和(自身を含む): 40465749240

約数和(自身を除く): 20425568768

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 192694043, 385388086, 770776172, 1541552344, 2505022559, 5010045118, 10020090236, 20040180472]

約数ペア:

[(1, 20040180472), (2, 10020090236), (4, 5010045118), (8, 2505022559), (13, 1541552344), (26, 770776172), (52, 385388086), (104, 192694043)]