20848377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 11891463

約数列:

[1, 3, 11, 19, 33, 41, 57, 123, 209, 451, 627, 779, 811, 1353, 2337, 2433, 8569, 8921, 15409, 25707, 26763, 33251, 46227, 99753, 169499, 365761, 508497, 631769, 1097283, 1895307, 6949459, 20848377]

約数ペア:

[(1, 20848377), (3, 6949459), (11, 1895307), (19, 1097283), (33, 631769), (41, 508497), (57, 365761), (123, 169499), (209, 99753), (451, 46227), (627, 33251), (779, 26763), (811, 25707), (1353, 15409), (2337, 8921), (2433, 8569)]