20903485192

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{383297}}^1$

素因数の和:383721

約数の個数: 32

約数和(自身を含む): 41603164920

約数和(自身を除く): 20699679728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 401, 802, 1604, 3208, 6817, 13634, 27268, 54536, 383297, 766594, 1533188, 3066376, 6516049, 13032098, 26064196, 52128392, 153702097, 307404194, 614808388, 1229616776, 2612935649, 5225871298, 10451742596, 20903485192]

約数ペア:

[(1, 20903485192), (2, 10451742596), (4, 5225871298), (8, 2612935649), (17, 1229616776), (34, 614808388), (68, 307404194), (136, 153702097), (401, 52128392), (802, 26064196), (1604, 13032098), (3208, 6516049), (6817, 3066376), (13634, 1533188), (27268, 766594), (54536, 383297)]