20467278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1929

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 28332018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 1861, 3666, 3722, 5499, 5583, 10998, 11166, 16749, 24193, 33498, 48386, 72579, 87467, 145158, 174934, 217737, 262401, 435474, 524802, 787203, 1137071, 1574406, 2274142, 3411213, 6822426, 10233639, 20467278]

約数ペア:

[(1, 20467278), (2, 10233639), (3, 6822426), (6, 3411213), (9, 2274142), (13, 1574406), (18, 1137071), (26, 787203), (39, 524802), (47, 435474), (78, 262401), (94, 217737), (117, 174934), (141, 145158), (234, 87467), (282, 72579), (423, 48386), (611, 33498), (846, 24193), (1222, 16749), (1833, 11166), (1861, 10998), (3666, 5583), (3722, 5499)]