20199623824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{935861}}^1$

素因数の和:935959

約数の個数: 40

約数和(自身を含む): 41776879680

約数和(自身を除く): 21577255856

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2698, 5396, 10792, 21584, 935861, 1871722, 3743444, 7486888, 14973776, 17781359, 35562718, 66446131, 71125436, 132892262, 142250872, 265784524, 284501744, 531569048, 1063138096, 1262476489, 2524952978, 5049905956, 10099811912, 20199623824]

約数ペア:

[(1, 20199623824), (2, 10099811912), (4, 5049905956), (8, 2524952978), (16, 1262476489), (19, 1063138096), (38, 531569048), (71, 284501744), (76, 265784524), (142, 142250872), (152, 132892262), (284, 71125436), (304, 66446131), (568, 35562718), (1136, 17781359), (1349, 14973776), (2698, 7486888), (5396, 3743444), (10792, 1871722), (21584, 935861)]