20180467908

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1039}}^1\times {\mathrm{2557}}^1$

素因数の和:3817

約数の個数: 72

約数和(自身を含む): 51322893440

約数和(自身を除く): 31142425532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1039, 1266, 1899, 2078, 2532, 2557, 3117, 3798, 4156, 5114, 6234, 7596, 7671, 9351, 10228, 12468, 15342, 18702, 23013, 30684, 37404, 46026, 92052, 219229, 438458, 539527, 657687, 876916, 1079054, 1315374, 1618581, 1973061, 2158108, 2630748, 2656723, 3237162, 3946122, 4855743, 5313446, 6474324, 7892244, 7970169, 9711486, 10626892, 15940338, 19422972, 23910507, 31880676, 47821014, 95642028, 560568553, 1121137106, 1681705659, 2242274212, 3363411318, 5045116977, 6726822636, 10090233954, 20180467908]

約数ペア:

[(1, 20180467908), (2, 10090233954), (3, 6726822636), (4, 5045116977), (6, 3363411318), (9, 2242274212), (12, 1681705659), (18, 1121137106), (36, 560568553), (211, 95642028), (422, 47821014), (633, 31880676), (844, 23910507), (1039, 19422972), (1266, 15940338), (1899, 10626892), (2078, 9711486), (2532, 7970169), (2557, 7892244), (3117, 6474324), (3798, 5313446), (4156, 4855743), (5114, 3946122), (6234, 3237162), (7596, 2656723), (7671, 2630748), (9351, 2158108), (10228, 1973061), (12468, 1618581), (15342, 1315374), (18702, 1079054), (23013, 876916), (30684, 657687), (37404, 539527), (46026, 438458), (92052, 219229)]