20294295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{557}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 37283328

約数和(自身を除く): 16989033

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 347, 557, 1041, 1671, 1735, 2429, 2785, 3899, 5205, 7287, 8355, 11697, 12145, 19495, 36435, 58485, 193279, 579837, 966395, 1352953, 2899185, 4058859, 6764765, 20294295]

約数ペア:

[(1, 20294295), (3, 6764765), (5, 4058859), (7, 2899185), (15, 1352953), (21, 966395), (35, 579837), (105, 193279), (347, 58485), (557, 36435), (1041, 19495), (1671, 12145), (1735, 11697), (2429, 8355), (2785, 7287), (3899, 5205)]