20419148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6553}}^1$

素因数の和:6617

約数の個数: 24

約数和(自身を含む): 38537520

約数和(自身を除く): 18118372

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6553, 13106, 26212, 124507, 249014, 268673, 498028, 537346, 1074692, 5104787, 10209574, 20419148]

約数ペア:

[(1, 20419148), (2, 10209574), (4, 5104787), (19, 1074692), (38, 537346), (41, 498028), (76, 268673), (82, 249014), (164, 124507), (779, 26212), (1558, 13106), (3116, 6553)]