20164055691

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{7243}}^1$

素因数の和:7325

約数の個数: 72

約数和(自身を含む): 32558013120

約数和(自身を除く): 12393957429

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 169, 221, 247, 289, 323, 507, 663, 741, 867, 969, 2873, 3211, 3757, 4199, 5491, 7243, 8619, 9633, 11271, 12597, 16473, 21729, 48841, 54587, 71383, 94159, 123131, 137617, 146523, 163761, 214149, 282477, 369393, 412851, 927979, 1224067, 1600703, 1789021, 2093227, 2339489, 2783937, 3672201, 4802109, 5367063, 6279681, 7018467, 20809139, 23257273, 27211951, 30413357, 39771313, 62427417, 69771819, 81635853, 91240071, 119313939, 353755363, 395373641, 517027069, 1061266089, 1186120923, 1551081207, 6721351897, 20164055691]

約数ペア:

[(1, 20164055691), (3, 6721351897), (13, 1551081207), (17, 1186120923), (19, 1061266089), (39, 517027069), (51, 395373641), (57, 353755363), (169, 119313939), (221, 91240071), (247, 81635853), (289, 69771819), (323, 62427417), (507, 39771313), (663, 30413357), (741, 27211951), (867, 23257273), (969, 20809139), (2873, 7018467), (3211, 6279681), (3757, 5367063), (4199, 4802109), (5491, 3672201), (7243, 2783937), (8619, 2339489), (9633, 2093227), (11271, 1789021), (12597, 1600703), (16473, 1224067), (21729, 927979), (48841, 412851), (54587, 369393), (71383, 282477), (94159, 214149), (123131, 163761), (137617, 146523)]