20655054

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1031}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 32843826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 954, 1031, 1113, 1431, 2062, 2226, 2862, 3093, 3339, 6186, 6678, 7217, 9279, 10017, 14434, 18558, 20034, 21651, 27837, 43302, 54643, 55674, 64953, 109286, 129906, 163929, 194859, 327858, 382501, 389718, 491787, 765002, 983574, 1147503, 1475361, 2295006, 2950722, 3442509, 6885018, 10327527, 20655054]

約数ペア:

[(1, 20655054), (2, 10327527), (3, 6885018), (6, 3442509), (7, 2950722), (9, 2295006), (14, 1475361), (18, 1147503), (21, 983574), (27, 765002), (42, 491787), (53, 389718), (54, 382501), (63, 327858), (106, 194859), (126, 163929), (159, 129906), (189, 109286), (318, 64953), (371, 55674), (378, 54643), (477, 43302), (742, 27837), (954, 21651), (1031, 20034), (1113, 18558), (1431, 14434), (2062, 10017), (2226, 9279), (2862, 7217), (3093, 6678), (3339, 6186)]