20481453

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 30958200

約数和(自身を除く): 10476747

約数列:

[1, 3, 9, 29, 87, 97, 261, 291, 809, 873, 2427, 2813, 7281, 8439, 23461, 25317, 70383, 78473, 211149, 235419, 706257, 2275717, 6827151, 20481453]

約数ペア:

[(1, 20481453), (3, 6827151), (9, 2275717), (29, 706257), (87, 235419), (97, 211149), (261, 78473), (291, 70383), (809, 25317), (873, 23461), (2427, 8439), (2813, 7281)]