20407552008

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1\times {\mathrm{14543}}^1$

素因数の和:15602

約数の個数: 64

約数和(自身を含む): 51939532800

約数和(自身を除く): 31531980792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 118, 177, 236, 354, 472, 708, 991, 1416, 1982, 2973, 3964, 5946, 7928, 11892, 14543, 23784, 29086, 43629, 58172, 58469, 87258, 116344, 116938, 174516, 175407, 233876, 349032, 350814, 467752, 701628, 858037, 1403256, 1716074, 2574111, 3432148, 5148222, 6864296, 10296444, 14412113, 20592888, 28824226, 43236339, 57648452, 86472678, 115296904, 172945356, 345890712, 850314667, 1700629334, 2550944001, 3401258668, 5101888002, 6802517336, 10203776004, 20407552008]

約数ペア:

[(1, 20407552008), (2, 10203776004), (3, 6802517336), (4, 5101888002), (6, 3401258668), (8, 2550944001), (12, 1700629334), (24, 850314667), (59, 345890712), (118, 172945356), (177, 115296904), (236, 86472678), (354, 57648452), (472, 43236339), (708, 28824226), (991, 20592888), (1416, 14412113), (1982, 10296444), (2973, 6864296), (3964, 5148222), (5946, 3432148), (7928, 2574111), (11892, 1716074), (14543, 1403256), (23784, 858037), (29086, 701628), (43629, 467752), (58172, 350814), (58469, 349032), (87258, 233876), (116344, 175407), (116938, 174516)]