20398338

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{2087}}^1$

素因数の和:2279

約数の個数: 32

約数和(自身を含む): 45601920

約数和(自身を除く): 25203582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 2087, 3258, 4174, 4887, 6261, 9774, 12522, 18783, 37566, 56349, 112698, 377747, 755494, 1133241, 2266482, 3399723, 6799446, 10199169, 20398338]

約数ペア:

[(1, 20398338), (2, 10199169), (3, 6799446), (6, 3399723), (9, 2266482), (18, 1133241), (27, 755494), (54, 377747), (181, 112698), (362, 56349), (543, 37566), (1086, 18783), (1629, 12522), (2087, 9774), (3258, 6261), (4174, 4887)]