16795220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4969}}^1$

素因数の和:5004

約数の個数: 36

約数和(自身を含む): 38199420

約数和(自身を除く): 21404200

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4969, 9938, 19876, 24845, 49690, 64597, 99380, 129194, 258388, 322985, 645970, 839761, 1291940, 1679522, 3359044, 4198805, 8397610, 16795220]

約数ペア:

[(1, 16795220), (2, 8397610), (4, 4198805), (5, 3359044), (10, 1679522), (13, 1291940), (20, 839761), (26, 645970), (52, 322985), (65, 258388), (130, 129194), (169, 99380), (260, 64597), (338, 49690), (676, 24845), (845, 19876), (1690, 9938), (3380, 4969)]