20138086064

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{131203}}^1$

素因数の和:131445

約数の個数: 40

約数和(自身を含む): 39973660272

約数和(自身を除く): 19835574208

約数列:

[1, 2, 4, 8, 16, 53, 106, 181, 212, 362, 424, 724, 848, 1448, 2896, 9593, 19186, 38372, 76744, 131203, 153488, 262406, 524812, 1049624, 2099248, 6953759, 13907518, 23747743, 27815036, 47495486, 55630072, 94990972, 111260144, 189981944, 379963888, 1258630379, 2517260758, 5034521516, 10069043032, 20138086064]

約数ペア:

[(1, 20138086064), (2, 10069043032), (4, 5034521516), (8, 2517260758), (16, 1258630379), (53, 379963888), (106, 189981944), (181, 111260144), (212, 94990972), (362, 55630072), (424, 47495486), (724, 27815036), (848, 23747743), (1448, 13907518), (2896, 6953759), (9593, 2099248), (19186, 1049624), (38372, 524812), (76744, 262406), (131203, 153488)]