20201407828

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{37253}}^1$

素因数の和:37552

約数の個数: 48

約数和(自身を含む): 41006818944

約数和(自身を除く): 20805411116

約数列:

[1, 2, 4, 7, 14, 28, 107, 181, 214, 362, 428, 724, 749, 1267, 1498, 2534, 2996, 5068, 19367, 37253, 38734, 74506, 77468, 135569, 149012, 260771, 271138, 521542, 542276, 1043084, 3986071, 6742793, 7972142, 13485586, 15944284, 26971172, 27902497, 47199551, 55804994, 94399102, 111609988, 188798204, 721478851, 1442957702, 2885915404, 5050351957, 10100703914, 20201407828]

約数ペア:

[(1, 20201407828), (2, 10100703914), (4, 5050351957), (7, 2885915404), (14, 1442957702), (28, 721478851), (107, 188798204), (181, 111609988), (214, 94399102), (362, 55804994), (428, 47199551), (724, 27902497), (749, 26971172), (1267, 15944284), (1498, 13485586), (2534, 7972142), (2996, 6742793), (5068, 3986071), (19367, 1043084), (37253, 542276), (38734, 521542), (74506, 271138), (77468, 260771), (135569, 149012)]