20581392

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32983}}^1$

素因数の和:33007

約数の個数: 40

約数和(自身を含む): 57260224

約数和(自身を除く): 36678832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32983, 65966, 98949, 131932, 197898, 263864, 395796, 428779, 527728, 791592, 857558, 1286337, 1583184, 1715116, 2572674, 3430232, 5145348, 6860464, 10290696, 20581392]

約数ペア:

[(1, 20581392), (2, 10290696), (3, 6860464), (4, 5145348), (6, 3430232), (8, 2572674), (12, 1715116), (13, 1583184), (16, 1286337), (24, 857558), (26, 791592), (39, 527728), (48, 428779), (52, 395796), (78, 263864), (104, 197898), (156, 131932), (208, 98949), (312, 65966), (624, 32983)]