20185820935

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1\times {\mathrm{12211}}^1$

素因数の和:12943

約数の個数: 32

約数和(自身を含む): 28108311552

約数和(自身を除く): 7922490617

約数列:

[1, 5, 7, 35, 73, 365, 511, 647, 2555, 3235, 4529, 12211, 22645, 47231, 61055, 85477, 236155, 330617, 427385, 891403, 1653085, 4457015, 6239821, 7900517, 31199105, 39502585, 55303619, 276518095, 576737741, 2883688705, 4037164187, 20185820935]

約数ペア:

[(1, 20185820935), (5, 4037164187), (7, 2883688705), (35, 576737741), (73, 276518095), (365, 55303619), (511, 39502585), (647, 31199105), (2555, 7900517), (3235, 6239821), (4529, 4457015), (12211, 1653085), (22645, 891403), (47231, 427385), (61055, 330617), (85477, 236155)]