20409214

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2957}}^1$

素因数の和:3012

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 17926466

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 406, 493, 986, 2957, 3451, 5914, 6902, 20699, 41398, 50269, 85753, 100538, 171506, 351883, 600271, 703766, 1200542, 1457801, 2915602, 10204607, 20409214]

約数ペア:

[(1, 20409214), (2, 10204607), (7, 2915602), (14, 1457801), (17, 1200542), (29, 703766), (34, 600271), (58, 351883), (119, 171506), (203, 100538), (238, 85753), (406, 50269), (493, 41398), (986, 20699), (2957, 6902), (3451, 5914)]