20403721806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1\times {\mathrm{7703}}^1$

素因数の和:8921

約数の個数: 64

約数和(自身を含む): 45506603520

約数和(自身を除く): 25102881714

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 1171, 2262, 2342, 3513, 7026, 7703, 15223, 15406, 23109, 30446, 33959, 45669, 46218, 67918, 91338, 100139, 101877, 200278, 203754, 223387, 300417, 441467, 446774, 600834, 670161, 882934, 1324401, 1340322, 2648802, 2904031, 5808062, 8712093, 9020213, 17424186, 18040426, 27060639, 54121278, 117262769, 234525538, 261586177, 351788307, 523172354, 703576614, 784758531, 1569517062, 3400620301, 6801240602, 10201860903, 20403721806]

約数ペア:

[(1, 20403721806), (2, 10201860903), (3, 6801240602), (6, 3400620301), (13, 1569517062), (26, 784758531), (29, 703576614), (39, 523172354), (58, 351788307), (78, 261586177), (87, 234525538), (174, 117262769), (377, 54121278), (754, 27060639), (1131, 18040426), (1171, 17424186), (2262, 9020213), (2342, 8712093), (3513, 5808062), (7026, 2904031), (7703, 2648802), (15223, 1340322), (15406, 1324401), (23109, 882934), (30446, 670161), (33959, 600834), (45669, 446774), (46218, 441467), (67918, 300417), (91338, 223387), (100139, 203754), (101877, 200278)]