20278290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2693}}^1$

素因数の和:2954

約数の個数: 32

約数和(自身を含む): 48879936

約数和(自身を除く): 28601646

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 2693, 3765, 5386, 7530, 8079, 13465, 16158, 26930, 40395, 80790, 675943, 1351886, 2027829, 3379715, 4055658, 6759430, 10139145, 20278290]

約数ペア:

[(1, 20278290), (2, 10139145), (3, 6759430), (5, 4055658), (6, 3379715), (10, 2027829), (15, 1351886), (30, 675943), (251, 80790), (502, 40395), (753, 26930), (1255, 16158), (1506, 13465), (2510, 8079), (2693, 7530), (3765, 5386)]