20163831244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{4507}}^1$

素因数の和:4647

約数の個数: 72

約数和(自身を含む): 39071376960

約数和(自身を除く): 18907545716

約数列:

[1, 2, 4, 19, 37, 38, 43, 74, 76, 86, 148, 172, 703, 817, 1369, 1406, 1591, 1634, 2738, 2812, 3182, 3268, 4507, 5476, 6364, 9014, 18028, 26011, 30229, 52022, 58867, 60458, 85633, 104044, 117734, 120916, 166759, 171266, 193801, 235468, 333518, 342532, 387602, 667036, 775204, 1118473, 2236946, 3168421, 3682219, 4473892, 6170083, 6336842, 7170637, 7364438, 12340166, 12673684, 14341274, 14728876, 24680332, 28682548, 117231577, 136242103, 234463154, 265313569, 272484206, 468926308, 530627138, 544968412, 1061254276, 5040957811, 10081915622, 20163831244]

約数ペア:

[(1, 20163831244), (2, 10081915622), (4, 5040957811), (19, 1061254276), (37, 544968412), (38, 530627138), (43, 468926308), (74, 272484206), (76, 265313569), (86, 234463154), (148, 136242103), (172, 117231577), (703, 28682548), (817, 24680332), (1369, 14728876), (1406, 14341274), (1591, 12673684), (1634, 12340166), (2738, 7364438), (2812, 7170637), (3182, 6336842), (3268, 6170083), (4507, 4473892), (5476, 3682219), (6364, 3168421), (9014, 2236946), (18028, 1118473), (26011, 775204), (30229, 667036), (52022, 387602), (58867, 342532), (60458, 333518), (85633, 235468), (104044, 193801), (117734, 171266), (120916, 166759)]