20789728215

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1\times {\mathrm{53117}}^1$

素因数の和:53491

約数の個数: 32

約数和(自身を含む): 33732054720

約数和(自身を除く): 12942326505

約数列:

[1, 3, 5, 15, 97, 269, 291, 485, 807, 1345, 1455, 4035, 26093, 53117, 78279, 130465, 159351, 265585, 391395, 796755, 5152349, 14288473, 15457047, 25761745, 42865419, 71442365, 77285235, 214327095, 1385981881, 4157945643, 6929909405, 20789728215]

約数ペア:

[(1, 20789728215), (3, 6929909405), (5, 4157945643), (15, 1385981881), (97, 214327095), (269, 77285235), (291, 71442365), (485, 42865419), (807, 25761745), (1345, 15457047), (1455, 14288473), (4035, 5152349), (26093, 796755), (53117, 391395), (78279, 265585), (130465, 159351)]