20865436424

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{167009}}^1$

素因数の和:167142

約数の個数: 64

約数和(自身を含む): 47136902400

約数和(自身を除く): 26271465976

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 97, 161, 184, 194, 322, 388, 644, 679, 776, 1288, 1358, 2231, 2716, 4462, 5432, 8924, 15617, 17848, 31234, 62468, 124936, 167009, 334018, 668036, 1169063, 1336072, 2338126, 3841207, 4676252, 7682414, 9352504, 15364828, 16199873, 26888449, 30729656, 32399746, 53776898, 64799492, 107553796, 113399111, 129598984, 215107592, 226798222, 372597079, 453596444, 745194158, 907192888, 1490388316, 2608179553, 2980776632, 5216359106, 10432718212, 20865436424]

約数ペア:

[(1, 20865436424), (2, 10432718212), (4, 5216359106), (7, 2980776632), (8, 2608179553), (14, 1490388316), (23, 907192888), (28, 745194158), (46, 453596444), (56, 372597079), (92, 226798222), (97, 215107592), (161, 129598984), (184, 113399111), (194, 107553796), (322, 64799492), (388, 53776898), (644, 32399746), (679, 30729656), (776, 26888449), (1288, 16199873), (1358, 15364828), (2231, 9352504), (2716, 7682414), (4462, 4676252), (5432, 3841207), (8924, 2338126), (15617, 1336072), (17848, 1169063), (31234, 668036), (62468, 334018), (124936, 167009)]