20074935915

素因数分解:

$3^6\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{2879}}^1$

素因数の和:4815

約数の個数: 56

約数和(自身を含む): 36149794560

約数和(自身を除く): 16074858645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1913, 2879, 3645, 5739, 8637, 9565, 14395, 17217, 25911, 28695, 43185, 51651, 77733, 86085, 129555, 154953, 233199, 258255, 388665, 464859, 699597, 774765, 1165995, 1394577, 2098791, 2324295, 3497985, 5507527, 6972885, 10493955, 16522581, 27537635, 49567743, 82612905, 148703229, 247838715, 446109687, 743516145, 1338329061, 2230548435, 4014987183, 6691645305, 20074935915]

約数ペア:

[(1, 20074935915), (3, 6691645305), (5, 4014987183), (9, 2230548435), (15, 1338329061), (27, 743516145), (45, 446109687), (81, 247838715), (135, 148703229), (243, 82612905), (405, 49567743), (729, 27537635), (1215, 16522581), (1913, 10493955), (2879, 6972885), (3645, 5507527), (5739, 3497985), (8637, 2324295), (9565, 2098791), (14395, 1394577), (17217, 1165995), (25911, 774765), (28695, 699597), (43185, 464859), (51651, 388665), (77733, 258255), (86085, 233199), (129555, 154953)]