20177262

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{659}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 51955200

約数和(自身を除く): 31777938

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 659, 729, 1134, 1318, 1458, 1701, 1977, 2187, 3402, 3954, 4374, 4613, 5103, 5931, 9226, 10206, 11862, 13839, 15309, 17793, 27678, 30618, 35586, 41517, 53379, 83034, 106758, 124551, 160137, 249102, 320274, 373653, 480411, 747306, 960822, 1120959, 1441233, 2241918, 2882466, 3362877, 6725754, 10088631, 20177262]

約数ペア:

[(1, 20177262), (2, 10088631), (3, 6725754), (6, 3362877), (7, 2882466), (9, 2241918), (14, 1441233), (18, 1120959), (21, 960822), (27, 747306), (42, 480411), (54, 373653), (63, 320274), (81, 249102), (126, 160137), (162, 124551), (189, 106758), (243, 83034), (378, 53379), (486, 41517), (567, 35586), (659, 30618), (729, 27678), (1134, 17793), (1318, 15309), (1458, 13839), (1701, 11862), (1977, 10206), (2187, 9226), (3402, 5931), (3954, 5103), (4374, 4613)]