20350278

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3251

約数の個数: 48

約数和(自身を含む): 49257936

約数和(自身を除く): 28907658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3221, 6318, 6442, 9663, 19326, 28989, 41873, 57978, 83746, 86967, 125619, 173934, 251238, 260901, 376857, 521802, 753714, 782703, 1130571, 1565406, 2261142, 3391713, 6783426, 10175139, 20350278]

約数ペア:

[(1, 20350278), (2, 10175139), (3, 6783426), (6, 3391713), (9, 2261142), (13, 1565406), (18, 1130571), (26, 782703), (27, 753714), (39, 521802), (54, 376857), (78, 260901), (81, 251238), (117, 173934), (162, 125619), (234, 86967), (243, 83746), (351, 57978), (486, 41873), (702, 28989), (1053, 19326), (2106, 9663), (3159, 6442), (3221, 6318)]