20542930

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 37977984

約数和(自身を除く): 17435054

約数列:

[1, 2, 5, 10, 73, 107, 146, 214, 263, 365, 526, 535, 730, 1070, 1315, 2630, 7811, 15622, 19199, 28141, 38398, 39055, 56282, 78110, 95995, 140705, 191990, 281410, 2054293, 4108586, 10271465, 20542930]

約数ペア:

[(1, 20542930), (2, 10271465), (5, 4108586), (10, 2054293), (73, 281410), (107, 191990), (146, 140705), (214, 95995), (263, 78110), (365, 56282), (526, 39055), (535, 38398), (730, 28141), (1070, 19199), (1315, 15622), (2630, 7811)]