20064416

素因数分解:

$2^5\times {\mathrm{41}}^2\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 36

約数和(自身を含む): 40597326

約数和(自身を除く): 20532910

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 373, 656, 746, 1312, 1492, 1681, 2984, 3362, 5968, 6724, 11936, 13448, 15293, 26896, 30586, 53792, 61172, 122344, 244688, 489376, 627013, 1254026, 2508052, 5016104, 10032208, 20064416]

約数ペア:

[(1, 20064416), (2, 10032208), (4, 5016104), (8, 2508052), (16, 1254026), (32, 627013), (41, 489376), (82, 244688), (164, 122344), (328, 61172), (373, 53792), (656, 30586), (746, 26896), (1312, 15293), (1492, 13448), (1681, 11936), (2984, 6724), (3362, 5968)]