20501248

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1580

約数の個数: 36

約数和(自身を含む): 41722128

約数和(自身を除く): 21220880

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 848, 1511, 1696, 3022, 3392, 6044, 6784, 12088, 13568, 24176, 48352, 80083, 96704, 160166, 193408, 320332, 386816, 640664, 1281328, 2562656, 5125312, 10250624, 20501248]

約数ペア:

[(1, 20501248), (2, 10250624), (4, 5125312), (8, 2562656), (16, 1281328), (32, 640664), (53, 386816), (64, 320332), (106, 193408), (128, 160166), (212, 96704), (256, 80083), (424, 48352), (848, 24176), (1511, 13568), (1696, 12088), (3022, 6784), (3392, 6044)]