20218394

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2678

約数の個数: 32

約数和(自身を含む): 37756800

約数和(自身を除く): 17538406

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2621, 3857, 5242, 7714, 18347, 36694, 49799, 76009, 99598, 152018, 348593, 532063, 697186, 1064126, 1444171, 2888342, 10109197, 20218394]

約数ペア:

[(1, 20218394), (2, 10109197), (7, 2888342), (14, 1444171), (19, 1064126), (29, 697186), (38, 532063), (58, 348593), (133, 152018), (203, 99598), (266, 76009), (406, 49799), (551, 36694), (1102, 18347), (2621, 7714), (3857, 5242)]