20213664

素因数分解:

$2^5\times 3^1\times {\mathrm{239}}^1\times {\mathrm{881}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 33129696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 239, 478, 717, 881, 956, 1434, 1762, 1912, 2643, 2868, 3524, 3824, 5286, 5736, 7048, 7648, 10572, 11472, 14096, 21144, 22944, 28192, 42288, 84576, 210559, 421118, 631677, 842236, 1263354, 1684472, 2526708, 3368944, 5053416, 6737888, 10106832, 20213664]

約数ペア:

[(1, 20213664), (2, 10106832), (3, 6737888), (4, 5053416), (6, 3368944), (8, 2526708), (12, 1684472), (16, 1263354), (24, 842236), (32, 631677), (48, 421118), (96, 210559), (239, 84576), (478, 42288), (717, 28192), (881, 22944), (956, 21144), (1434, 14096), (1762, 11472), (1912, 10572), (2643, 7648), (2868, 7048), (3524, 5736), (3824, 5286)]