20197255554

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{659653}}^1$

素因数の和:659683

約数の個数: 64

約数和(自身を含む): 51927962880

約数和(自身を除く): 31730707326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 2187, 3402, 4374, 5103, 10206, 15309, 30618, 659653, 1319306, 1978959, 3957918, 4617571, 5936877, 9235142, 11873754, 13852713, 17810631, 27705426, 35621262, 41558139, 53431893, 83116278, 106863786, 124674417, 160295679, 249348834, 320591358, 374023251, 480887037, 748046502, 961774074, 1122069753, 1442661111, 2244139506, 2885322222, 3366209259, 6732418518, 10098627777, 20197255554]

約数ペア:

[(1, 20197255554), (2, 10098627777), (3, 6732418518), (6, 3366209259), (7, 2885322222), (9, 2244139506), (14, 1442661111), (18, 1122069753), (21, 961774074), (27, 748046502), (42, 480887037), (54, 374023251), (63, 320591358), (81, 249348834), (126, 160295679), (162, 124674417), (189, 106863786), (243, 83116278), (378, 53431893), (486, 41558139), (567, 35621262), (729, 27705426), (1134, 17810631), (1458, 13852713), (1701, 11873754), (2187, 9235142), (3402, 5936877), (4374, 4617571), (5103, 3957918), (10206, 1978959), (15309, 1319306), (30618, 659653)]