20919256

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{14447}}^1$

素因数の和:14634

約数の個数: 16

約数和(自身を含む): 39443040

約数和(自身を除く): 18523784

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 14447, 28894, 57788, 115576, 2614907, 5229814, 10459628, 20919256]

約数ペア:

[(1, 20919256), (2, 10459628), (4, 5229814), (8, 2614907), (181, 115576), (362, 57788), (724, 28894), (1448, 14447)]