20184342016

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{251099}}^1$

素因数の和:251274

約数の個数: 40

約数和(自身を含む): 40586297400

約数和(自身を除く): 20401955384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 512, 628, 1256, 2512, 5024, 10048, 20096, 40192, 80384, 251099, 502198, 1004396, 2008792, 4017584, 8035168, 16070336, 32140672, 39422543, 64281344, 78845086, 128562688, 157690172, 315380344, 630760688, 1261521376, 2523042752, 5046085504, 10092171008, 20184342016]

約数ペア:

[(1, 20184342016), (2, 10092171008), (4, 5046085504), (8, 2523042752), (16, 1261521376), (32, 630760688), (64, 315380344), (128, 157690172), (157, 128562688), (256, 78845086), (314, 64281344), (512, 39422543), (628, 32140672), (1256, 16070336), (2512, 8035168), (5024, 4017584), (10048, 2008792), (20096, 1004396), (40192, 502198), (80384, 251099)]