20854856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12473}}^1$

素因数の和:12509

約数の個数: 32

約数和(自身を含む): 44906400

約数和(自身を除く): 24051544

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12473, 24946, 49892, 99784, 137203, 236987, 274406, 473974, 548812, 947948, 1097624, 1895896, 2606857, 5213714, 10427428, 20854856]

約数ペア:

[(1, 20854856), (2, 10427428), (4, 5213714), (8, 2606857), (11, 1895896), (19, 1097624), (22, 947948), (38, 548812), (44, 473974), (76, 274406), (88, 236987), (152, 137203), (209, 99784), (418, 49892), (836, 24946), (1672, 12473)]