20808857498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{53147}}^1$

素因数の和:53247

約数の個数: 48

約数和(自身を含む): 37688734944

約数和(自身を除く): 16879877446

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 1369, 2738, 5291, 10582, 15059, 17797, 30118, 35594, 53147, 106294, 195767, 391534, 584617, 690911, 1169234, 1381822, 1966439, 3932878, 7600021, 15200042, 21630829, 25563707, 43261658, 51127414, 72758243, 145516486, 281200777, 562401554, 800340673, 945857159, 1600681346, 1891714318, 10404428749, 20808857498]

約数ペア:

[(1, 20808857498), (2, 10404428749), (11, 1891714318), (13, 1600681346), (22, 945857159), (26, 800340673), (37, 562401554), (74, 281200777), (143, 145516486), (286, 72758243), (407, 51127414), (481, 43261658), (814, 25563707), (962, 21630829), (1369, 15200042), (2738, 7600021), (5291, 3932878), (10582, 1966439), (15059, 1381822), (17797, 1169234), (30118, 690911), (35594, 584617), (53147, 391534), (106294, 195767)]