20188938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:603

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 30821622

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 89, 154, 178, 231, 267, 462, 491, 534, 623, 979, 982, 1246, 1473, 1869, 1958, 2937, 2946, 3437, 3738, 5401, 5874, 6853, 6874, 10311, 10802, 13706, 16203, 20559, 20622, 32406, 37807, 41118, 43699, 75614, 87398, 113421, 131097, 226842, 262194, 305893, 480689, 611786, 917679, 961378, 1442067, 1835358, 2884134, 3364823, 6729646, 10094469, 20188938]

約数ペア:

[(1, 20188938), (2, 10094469), (3, 6729646), (6, 3364823), (7, 2884134), (11, 1835358), (14, 1442067), (21, 961378), (22, 917679), (33, 611786), (42, 480689), (66, 305893), (77, 262194), (89, 226842), (154, 131097), (178, 113421), (231, 87398), (267, 75614), (462, 43699), (491, 41118), (534, 37807), (623, 32406), (979, 20622), (982, 20559), (1246, 16203), (1473, 13706), (1869, 10802), (1958, 10311), (2937, 6874), (2946, 6853), (3437, 5874), (3738, 5401)]