20169868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6473}}^1$

素因数の和:6537

約数の個数: 24

約数和(自身を含む): 38067120

約数和(自身を除く): 17897252

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6473, 12946, 25892, 122987, 245974, 265393, 491948, 530786, 1061572, 5042467, 10084934, 20169868]

約数ペア:

[(1, 20169868), (2, 10084934), (4, 5042467), (19, 1061572), (38, 530786), (41, 491948), (76, 265393), (82, 245974), (164, 122987), (779, 25892), (1558, 12946), (3116, 6473)]