20017686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{947}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 43319808

約数和(自身を除く): 23302122

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271, 542, 813, 947, 1626, 1894, 2841, 3523, 5682, 7046, 10569, 12311, 21138, 24622, 36933, 73866, 256637, 513274, 769911, 1539822, 3336281, 6672562, 10008843, 20017686]

約数ペア:

[(1, 20017686), (2, 10008843), (3, 6672562), (6, 3336281), (13, 1539822), (26, 769911), (39, 513274), (78, 256637), (271, 73866), (542, 36933), (813, 24622), (947, 21138), (1626, 12311), (1894, 10569), (2841, 7046), (3523, 5682)]