20808330618

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1\times {\mathrm{3413}}^1$

素因数の和:4431

約数の個数: 64

約数和(自身を含む): 44274936960

約数和(自身を除く): 23466606342

約数列:

[1, 2, 3, 6, 29, 37, 58, 74, 87, 111, 174, 222, 947, 1073, 1894, 2146, 2841, 3219, 3413, 5682, 6438, 6826, 10239, 20478, 27463, 35039, 54926, 70078, 82389, 98977, 105117, 126281, 164778, 197954, 210234, 252562, 296931, 378843, 593862, 757686, 1016131, 2032262, 3048393, 3232111, 3662149, 6096786, 6464222, 7324298, 9696333, 10986447, 19392666, 21972894, 93731219, 119588107, 187462438, 239176214, 281193657, 358764321, 562387314, 717528642, 3468055103, 6936110206, 10404165309, 20808330618]

約数ペア:

[(1, 20808330618), (2, 10404165309), (3, 6936110206), (6, 3468055103), (29, 717528642), (37, 562387314), (58, 358764321), (74, 281193657), (87, 239176214), (111, 187462438), (174, 119588107), (222, 93731219), (947, 21972894), (1073, 19392666), (1894, 10986447), (2146, 9696333), (2841, 7324298), (3219, 6464222), (3413, 6096786), (5682, 3662149), (6438, 3232111), (6826, 3048393), (10239, 2032262), (20478, 1016131), (27463, 757686), (35039, 593862), (54926, 378843), (70078, 296931), (82389, 252562), (98977, 210234), (105117, 197954), (126281, 164778)]