20178807766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{4909}}^1$

素因数の和:5153

約数の個数: 64

約数和(自身を含む): 35189380800

約数和(自身を除く): 15010573034

約数列:

[1, 2, 13, 19, 26, 38, 53, 106, 157, 247, 314, 494, 689, 1007, 1378, 2014, 2041, 2983, 4082, 4909, 5966, 8321, 9818, 13091, 16642, 26182, 38779, 63817, 77558, 93271, 108173, 127634, 158099, 186542, 216346, 260177, 316198, 520354, 770713, 1212523, 1541426, 2055287, 2425046, 3382301, 4110574, 4943363, 6764602, 9886726, 10019269, 14643547, 20038538, 29287094, 40847789, 64263719, 81695578, 128527438, 190366111, 380732222, 531021257, 776107991, 1062042514, 1552215982, 10089403883, 20178807766]

約数ペア:

[(1, 20178807766), (2, 10089403883), (13, 1552215982), (19, 1062042514), (26, 776107991), (38, 531021257), (53, 380732222), (106, 190366111), (157, 128527438), (247, 81695578), (314, 64263719), (494, 40847789), (689, 29287094), (1007, 20038538), (1378, 14643547), (2014, 10019269), (2041, 9886726), (2983, 6764602), (4082, 4943363), (4909, 4110574), (5966, 3382301), (8321, 2425046), (9818, 2055287), (13091, 1541426), (16642, 1212523), (26182, 770713), (38779, 520354), (63817, 316198), (77558, 260177), (93271, 216346), (108173, 186542), (127634, 158099)]