20110516972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{210071}}^1$

素因数の和:210358

約数の個数: 48

約数和(自身を含む): 43479862272

約数和(自身を除く): 23369345300

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 263, 364, 526, 1052, 1841, 3419, 3682, 6838, 7364, 13676, 23933, 47866, 95732, 210071, 420142, 840284, 1470497, 2730923, 2940994, 5461846, 5881988, 10923692, 19116461, 38232922, 55248673, 76465844, 110497346, 220994692, 386740711, 718232749, 773481422, 1436465498, 1546962844, 2872930996, 5027629243, 10055258486, 20110516972]

約数ペア:

[(1, 20110516972), (2, 10055258486), (4, 5027629243), (7, 2872930996), (13, 1546962844), (14, 1436465498), (26, 773481422), (28, 718232749), (52, 386740711), (91, 220994692), (182, 110497346), (263, 76465844), (364, 55248673), (526, 38232922), (1052, 19116461), (1841, 10923692), (3419, 5881988), (3682, 5461846), (6838, 2940994), (7364, 2730923), (13676, 1470497), (23933, 840284), (47866, 420142), (95732, 210071)]