20278356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{34487}}^1$

素因数の和:34508

約数の個数: 36

約数和(自身を含む): 55042848

約数和(自身を除く): 34764492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 34487, 68974, 103461, 137948, 206922, 241409, 413844, 482818, 724227, 965636, 1448454, 1689863, 2896908, 3379726, 5069589, 6759452, 10139178, 20278356]

約数ペア:

[(1, 20278356), (2, 10139178), (3, 6759452), (4, 5069589), (6, 3379726), (7, 2896908), (12, 1689863), (14, 1448454), (21, 965636), (28, 724227), (42, 482818), (49, 413844), (84, 241409), (98, 206922), (147, 137948), (196, 103461), (294, 68974), (588, 34487)]