20351640543

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{1163}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 30655252992

約数和(自身を除く): 10303612449

約数列:

[1, 3, 13, 37, 39, 67, 111, 181, 201, 481, 543, 871, 1163, 1443, 2353, 2479, 2613, 3489, 6697, 7059, 7437, 12127, 15119, 20091, 32227, 36381, 43031, 45357, 77921, 87061, 96681, 129093, 157651, 210503, 233763, 261183, 448699, 472953, 559403, 631509, 1012973, 1346097, 1678209, 2736539, 2883077, 3038919, 5833087, 7788611, 8209617, 8649231, 14103701, 17499261, 23365833, 37480001, 42311103, 101251943, 112440003, 183348113, 303755829, 521836937, 550044339, 1565510811, 6783880181, 20351640543]

約数ペア:

[(1, 20351640543), (3, 6783880181), (13, 1565510811), (37, 550044339), (39, 521836937), (67, 303755829), (111, 183348113), (181, 112440003), (201, 101251943), (481, 42311103), (543, 37480001), (871, 23365833), (1163, 17499261), (1443, 14103701), (2353, 8649231), (2479, 8209617), (2613, 7788611), (3489, 5833087), (6697, 3038919), (7059, 2883077), (7437, 2736539), (12127, 1678209), (15119, 1346097), (20091, 1012973), (32227, 631509), (36381, 559403), (43031, 472953), (45357, 448699), (77921, 261183), (87061, 233763), (96681, 210503), (129093, 157651)]