20617318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 34408800

約数和(自身を除く): 13791482

約数列:

[1, 2, 19, 29, 38, 53, 58, 106, 353, 551, 706, 1007, 1102, 1537, 2014, 3074, 6707, 10237, 13414, 18709, 20474, 29203, 37418, 58406, 194503, 355471, 389006, 542561, 710942, 1085122, 10308659, 20617318]

約数ペア:

[(1, 20617318), (2, 10308659), (19, 1085122), (29, 710942), (38, 542561), (53, 389006), (58, 355471), (106, 194503), (353, 58406), (551, 37418), (706, 29203), (1007, 20474), (1102, 18709), (1537, 13414), (2014, 10237), (3074, 6707)]