20308932

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 108

約数和(自身を含む): 61932780

約数和(自身を除く): 41623848

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 49, 58, 63, 84, 87, 98, 116, 126, 147, 174, 196, 203, 252, 261, 294, 348, 397, 406, 441, 522, 588, 609, 794, 812, 882, 1044, 1191, 1218, 1421, 1588, 1764, 1827, 2382, 2436, 2779, 2842, 3573, 3654, 4263, 4764, 5558, 5684, 7146, 7308, 8337, 8526, 11116, 11513, 12789, 14292, 16674, 17052, 19453, 23026, 25011, 25578, 33348, 34539, 38906, 46052, 50022, 51156, 58359, 69078, 77812, 80591, 100044, 103617, 116718, 138156, 161182, 175077, 207234, 233436, 241773, 322364, 350154, 414468, 483546, 564137, 700308, 725319, 967092, 1128274, 1450638, 1692411, 2256548, 2901276, 3384822, 5077233, 6769644, 10154466, 20308932]

約数ペア:

[(1, 20308932), (2, 10154466), (3, 6769644), (4, 5077233), (6, 3384822), (7, 2901276), (9, 2256548), (12, 1692411), (14, 1450638), (18, 1128274), (21, 967092), (28, 725319), (29, 700308), (36, 564137), (42, 483546), (49, 414468), (58, 350154), (63, 322364), (84, 241773), (87, 233436), (98, 207234), (116, 175077), (126, 161182), (147, 138156), (174, 116718), (196, 103617), (203, 100044), (252, 80591), (261, 77812), (294, 69078), (348, 58359), (397, 51156), (406, 50022), (441, 46052), (522, 38906), (588, 34539), (609, 33348), (794, 25578), (812, 25011), (882, 23026), (1044, 19453), (1191, 17052), (1218, 16674), (1421, 14292), (1588, 12789), (1764, 11513), (1827, 11116), (2382, 8526), (2436, 8337), (2779, 7308), (2842, 7146), (3573, 5684), (3654, 5558), (4263, 4764)]