20555586

素因数分解:

$2^1\times 3^3\times {\mathrm{347}}^1\times {\mathrm{1097}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 45852480

約数和(自身を除く): 25296894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 347, 694, 1041, 1097, 2082, 2194, 3123, 3291, 6246, 6582, 9369, 9873, 18738, 19746, 29619, 59238, 380659, 761318, 1141977, 2283954, 3425931, 6851862, 10277793, 20555586]

約数ペア:

[(1, 20555586), (2, 10277793), (3, 6851862), (6, 3425931), (9, 2283954), (18, 1141977), (27, 761318), (54, 380659), (347, 59238), (694, 29619), (1041, 19746), (1097, 18738), (2082, 9873), (2194, 9369), (3123, 6582), (3291, 6246)]