20165660848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{193573}}^1$

素因数の和:193981

約数の個数: 40

約数和(自身を含む): 41477488128

約数和(自身を除く): 21311827280

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 383, 766, 1532, 3064, 6128, 6511, 13022, 26044, 52088, 104176, 193573, 387146, 774292, 1548584, 3097168, 3290741, 6581482, 13162964, 26325928, 52651856, 74138459, 148276918, 296553836, 593107672, 1186215344, 1260353803, 2520707606, 5041415212, 10082830424, 20165660848]

約数ペア:

[(1, 20165660848), (2, 10082830424), (4, 5041415212), (8, 2520707606), (16, 1260353803), (17, 1186215344), (34, 593107672), (68, 296553836), (136, 148276918), (272, 74138459), (383, 52651856), (766, 26325928), (1532, 13162964), (3064, 6581482), (6128, 3290741), (6511, 3097168), (13022, 1548584), (26044, 774292), (52088, 387146), (104176, 193573)]