20383506

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7951

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 31508334

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 7919, 15838, 23757, 47514, 71271, 87109, 102947, 142542, 174218, 205894, 261327, 308841, 522654, 617682, 783981, 926523, 1132417, 1567962, 1853046, 2264834, 3397251, 6794502, 10191753, 20383506]

約数ペア:

[(1, 20383506), (2, 10191753), (3, 6794502), (6, 3397251), (9, 2264834), (11, 1853046), (13, 1567962), (18, 1132417), (22, 926523), (26, 783981), (33, 617682), (39, 522654), (66, 308841), (78, 261327), (99, 205894), (117, 174218), (143, 142542), (198, 102947), (234, 87109), (286, 71271), (429, 47514), (858, 23757), (1287, 15838), (2574, 7919)]