20228901

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 35750400

約数和(自身を除く): 15521499

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 363, 399, 419, 627, 847, 1257, 1463, 2299, 2541, 2933, 4389, 4609, 6897, 7961, 8799, 13827, 16093, 23883, 32263, 48279, 50699, 55727, 87571, 96789, 152097, 167181, 262713, 354893, 612997, 963281, 1064679, 1838991, 2889843, 6742967, 20228901]

約数ペア:

[(1, 20228901), (3, 6742967), (7, 2889843), (11, 1838991), (19, 1064679), (21, 963281), (33, 612997), (57, 354893), (77, 262713), (121, 167181), (133, 152097), (209, 96789), (231, 87571), (363, 55727), (399, 50699), (419, 48279), (627, 32263), (847, 23883), (1257, 16093), (1463, 13827), (2299, 8799), (2541, 7961), (2933, 6897), (4389, 4609)]