20689466

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 38511936

約数和(自身を除く): 17822470

約数列:

[1, 2, 7, 14, 23, 46, 49, 67, 98, 134, 137, 161, 274, 322, 469, 938, 959, 1127, 1541, 1918, 2254, 3082, 3151, 3283, 6302, 6566, 6713, 9179, 10787, 13426, 18358, 21574, 22057, 44114, 64253, 75509, 128506, 151018, 154399, 211117, 308798, 422234, 449771, 899542, 1477819, 2955638, 10344733, 20689466]

約数ペア:

[(1, 20689466), (2, 10344733), (7, 2955638), (14, 1477819), (23, 899542), (46, 449771), (49, 422234), (67, 308798), (98, 211117), (134, 154399), (137, 151018), (161, 128506), (274, 75509), (322, 64253), (469, 44114), (938, 22057), (959, 21574), (1127, 18358), (1541, 13426), (1918, 10787), (2254, 9179), (3082, 6713), (3151, 6566), (3283, 6302)]