20186523

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 35676160

約数和(自身を除く): 15489637

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 127, 189, 203, 261, 381, 609, 783, 841, 889, 1143, 1827, 2523, 2667, 3429, 3683, 5481, 5887, 7569, 8001, 11049, 17661, 22707, 24003, 25781, 33147, 52983, 77343, 99441, 106807, 158949, 232029, 320421, 696087, 747649, 961263, 2242947, 2883789, 6728841, 20186523]

約数ペア:

[(1, 20186523), (3, 6728841), (7, 2883789), (9, 2242947), (21, 961263), (27, 747649), (29, 696087), (63, 320421), (87, 232029), (127, 158949), (189, 106807), (203, 99441), (261, 77343), (381, 52983), (609, 33147), (783, 25781), (841, 24003), (889, 22707), (1143, 17661), (1827, 11049), (2523, 8001), (2667, 7569), (3429, 5887), (3683, 5481)]