20725614

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12653}}^1$

素因数の和:12681

約数の個数: 48

約数和(自身を含む): 55272672

約数和(自身を除く): 34547058

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12653, 25306, 37959, 75918, 88571, 113877, 164489, 177142, 227754, 265713, 328978, 493467, 531426, 797139, 986934, 1151423, 1480401, 1594278, 2302846, 2960802, 3454269, 6908538, 10362807, 20725614]

約数ペア:

[(1, 20725614), (2, 10362807), (3, 6908538), (6, 3454269), (7, 2960802), (9, 2302846), (13, 1594278), (14, 1480401), (18, 1151423), (21, 986934), (26, 797139), (39, 531426), (42, 493467), (63, 328978), (78, 265713), (91, 227754), (117, 177142), (126, 164489), (182, 113877), (234, 88571), (273, 75918), (546, 37959), (819, 25306), (1638, 12653)]