20761840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23593}}^1$

素因数の和:23617

約数の個数: 40

約数和(自身を含む): 52661808

約数和(自身を除く): 31899968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23593, 47186, 94372, 117965, 188744, 235930, 259523, 377488, 471860, 519046, 943720, 1038092, 1297615, 1887440, 2076184, 2595230, 4152368, 5190460, 10380920, 20761840]

約数ペア:

[(1, 20761840), (2, 10380920), (4, 5190460), (5, 4152368), (8, 2595230), (10, 2076184), (11, 1887440), (16, 1297615), (20, 1038092), (22, 943720), (40, 519046), (44, 471860), (55, 377488), (80, 259523), (88, 235930), (110, 188744), (176, 117965), (220, 94372), (440, 47186), (880, 23593)]