20161289408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{26717}}^1$

素因数の和:27649

約数の個数: 56

約数和(自身を含む): 43134180432

約数和(自身を除く): 22972891024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 907, 1814, 3628, 7256, 11791, 14512, 23582, 26717, 29024, 47164, 53434, 58048, 94328, 106868, 188656, 213736, 347321, 377312, 427472, 694642, 754624, 854944, 1389284, 1709888, 2778568, 5557136, 11114272, 22228544, 24232319, 48464638, 96929276, 193858552, 315020147, 387717104, 630040294, 775434208, 1260080588, 1550868416, 2520161176, 5040322352, 10080644704, 20161289408]

約数ペア:

[(1, 20161289408), (2, 10080644704), (4, 5040322352), (8, 2520161176), (13, 1550868416), (16, 1260080588), (26, 775434208), (32, 630040294), (52, 387717104), (64, 315020147), (104, 193858552), (208, 96929276), (416, 48464638), (832, 24232319), (907, 22228544), (1814, 11114272), (3628, 5557136), (7256, 2778568), (11791, 1709888), (14512, 1389284), (23582, 854944), (26717, 754624), (29024, 694642), (47164, 427472), (53434, 377312), (58048, 347321), (94328, 213736), (106868, 188656)]