20168020938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1\times {\mathrm{40841}}^1$

素因数の和:41359

約数の個数: 48

約数和(自身を含む): 43768247616

約数和(自身を除く): 23600226678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 487, 507, 974, 1014, 1461, 2922, 6331, 12662, 18993, 37986, 40841, 81682, 82303, 122523, 164606, 245046, 246909, 493818, 530933, 1061866, 1592799, 3185598, 6902129, 13804258, 19889567, 20706387, 39779134, 41412774, 59668701, 119337402, 258564371, 517128742, 775693113, 1551386226, 3361336823, 6722673646, 10084010469, 20168020938]

約数ペア:

[(1, 20168020938), (2, 10084010469), (3, 6722673646), (6, 3361336823), (13, 1551386226), (26, 775693113), (39, 517128742), (78, 258564371), (169, 119337402), (338, 59668701), (487, 41412774), (507, 39779134), (974, 20706387), (1014, 19889567), (1461, 13804258), (2922, 6902129), (6331, 3185598), (12662, 1592799), (18993, 1061866), (37986, 530933), (40841, 493818), (81682, 246909), (82303, 245046), (122523, 164606)]