20500914

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 48230208

約数和(自身を除く): 27729294

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 103, 147, 206, 294, 309, 618, 677, 721, 1354, 1442, 2031, 2163, 4062, 4326, 4739, 5047, 9478, 10094, 14217, 15141, 28434, 30282, 33173, 66346, 69731, 99519, 139462, 199038, 209193, 418386, 488117, 976234, 1464351, 2928702, 3416819, 6833638, 10250457, 20500914]

約数ペア:

[(1, 20500914), (2, 10250457), (3, 6833638), (6, 3416819), (7, 2928702), (14, 1464351), (21, 976234), (42, 488117), (49, 418386), (98, 209193), (103, 199038), (147, 139462), (206, 99519), (294, 69731), (309, 66346), (618, 33173), (677, 30282), (721, 28434), (1354, 15141), (1442, 14217), (2031, 10094), (2163, 9478), (4062, 5047), (4326, 4739)]