20121984

素因数分解:

$2^7\times 3^2\times {\mathrm{17467}}^1$

素因数の和:17487

約数の個数: 48

約数和(自身を含む): 57906420

約数和(自身を除く): 37784436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 17467, 34934, 52401, 69868, 104802, 139736, 157203, 209604, 279472, 314406, 419208, 558944, 628812, 838416, 1117888, 1257624, 1676832, 2235776, 2515248, 3353664, 5030496, 6707328, 10060992, 20121984]

約数ペア:

[(1, 20121984), (2, 10060992), (3, 6707328), (4, 5030496), (6, 3353664), (8, 2515248), (9, 2235776), (12, 1676832), (16, 1257624), (18, 1117888), (24, 838416), (32, 628812), (36, 558944), (48, 419208), (64, 314406), (72, 279472), (96, 209604), (128, 157203), (144, 139736), (192, 104802), (288, 69868), (384, 52401), (576, 34934), (1152, 17467)]