20576301568

素因数分解:

$2^9\times {\mathrm{239}}^1\times {\mathrm{168151}}^1$

素因数の和:168408

約数の個数: 40

約数和(自身を含む): 41284679040

約数和(自身を除く): 20708377472

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 478, 512, 956, 1912, 3824, 7648, 15296, 30592, 61184, 122368, 168151, 336302, 672604, 1345208, 2690416, 5380832, 10761664, 21523328, 40188089, 43046656, 80376178, 86093312, 160752356, 321504712, 643009424, 1286018848, 2572037696, 5144075392, 10288150784, 20576301568]

約数ペア:

[(1, 20576301568), (2, 10288150784), (4, 5144075392), (8, 2572037696), (16, 1286018848), (32, 643009424), (64, 321504712), (128, 160752356), (239, 86093312), (256, 80376178), (478, 43046656), (512, 40188089), (956, 21523328), (1912, 10761664), (3824, 5380832), (7648, 2690416), (15296, 1345208), (30592, 672604), (61184, 336302), (122368, 168151)]