20650428

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{1733}}^1$

素因数の和:2074

約数の個数: 36

約数和(自身を含む): 52387608

約数和(自身を除く): 31737180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1733, 1986, 2979, 3466, 3972, 5199, 5958, 6932, 10398, 11916, 15597, 20796, 31194, 62388, 573623, 1147246, 1720869, 2294492, 3441738, 5162607, 6883476, 10325214, 20650428]

約数ペア:

[(1, 20650428), (2, 10325214), (3, 6883476), (4, 5162607), (6, 3441738), (9, 2294492), (12, 1720869), (18, 1147246), (36, 573623), (331, 62388), (662, 31194), (993, 20796), (1324, 15597), (1733, 11916), (1986, 10398), (2979, 6932), (3466, 5958), (3972, 5199)]