20267390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14173}}^1$

素因数の和:14204

約数の個数: 32

約数和(自身を含む): 42862176

約数和(自身を除く): 22594786

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14173, 28346, 70865, 141730, 155903, 184249, 311806, 368498, 779515, 921245, 1559030, 1842490, 2026739, 4053478, 10133695, 20267390]

約数ペア:

[(1, 20267390), (2, 10133695), (5, 4053478), (10, 2026739), (11, 1842490), (13, 1559030), (22, 921245), (26, 779515), (55, 368498), (65, 311806), (110, 184249), (130, 155903), (143, 141730), (286, 70865), (715, 28346), (1430, 14173)]