20554074

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1872

約数の個数: 40

約数和(自身を含む): 46731168

約数和(自身を除く): 26177094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1787, 1917, 3574, 3834, 5361, 5751, 10722, 11502, 16083, 32166, 48249, 96498, 126877, 144747, 253754, 289494, 380631, 761262, 1141893, 2283786, 3425679, 6851358, 10277037, 20554074]

約数ペア:

[(1, 20554074), (2, 10277037), (3, 6851358), (6, 3425679), (9, 2283786), (18, 1141893), (27, 761262), (54, 380631), (71, 289494), (81, 253754), (142, 144747), (162, 126877), (213, 96498), (426, 48249), (639, 32166), (1278, 16083), (1787, 11502), (1917, 10722), (3574, 5751), (3834, 5361)]