20131326592

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{390263}}^1$

素因数の和:390321

約数の個数: 64

約数和(自身を含む): 44583759360

約数和(自身を除く): 24452432768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 6448, 12896, 25792, 51584, 390263, 780526, 1561052, 3122104, 5073419, 6244208, 10146838, 12098153, 12488416, 20293676, 24196306, 24976832, 40587352, 48392612, 49953664, 81174704, 96785224, 157275989, 162349408, 193570448, 314551978, 324698816, 387140896, 629103956, 649397632, 774281792, 1258207912, 1548563584, 2516415824, 5032831648, 10065663296, 20131326592]

約数ペア:

[(1, 20131326592), (2, 10065663296), (4, 5032831648), (8, 2516415824), (13, 1548563584), (16, 1258207912), (26, 774281792), (31, 649397632), (32, 629103956), (52, 387140896), (62, 324698816), (64, 314551978), (104, 193570448), (124, 162349408), (128, 157275989), (208, 96785224), (248, 81174704), (403, 49953664), (416, 48392612), (496, 40587352), (806, 24976832), (832, 24196306), (992, 20293676), (1612, 12488416), (1664, 12098153), (1984, 10146838), (3224, 6244208), (3968, 5073419), (6448, 3122104), (12896, 1561052), (25792, 780526), (51584, 390263)]