20189023020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{171763}}^1$

素因数の和:172431

約数の個数: 72

約数和(自身を含む): 61334176176

約数和(自身を除く): 41145153156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 653, 1306, 1959, 2612, 3265, 3918, 5877, 6530, 7836, 9795, 11754, 13060, 19590, 23508, 29385, 39180, 58770, 117540, 171763, 343526, 515289, 687052, 858815, 1030578, 1545867, 1717630, 2061156, 2576445, 3091734, 3435260, 5152890, 6183468, 7729335, 10305780, 15458670, 30917340, 112161239, 224322478, 336483717, 448644956, 560806195, 672967434, 1009451151, 1121612390, 1345934868, 1682418585, 2018902302, 2243224780, 3364837170, 4037804604, 5047255755, 6729674340, 10094511510, 20189023020]

約数ペア:

[(1, 20189023020), (2, 10094511510), (3, 6729674340), (4, 5047255755), (5, 4037804604), (6, 3364837170), (9, 2243224780), (10, 2018902302), (12, 1682418585), (15, 1345934868), (18, 1121612390), (20, 1009451151), (30, 672967434), (36, 560806195), (45, 448644956), (60, 336483717), (90, 224322478), (180, 112161239), (653, 30917340), (1306, 15458670), (1959, 10305780), (2612, 7729335), (3265, 6183468), (3918, 5152890), (5877, 3435260), (6530, 3091734), (7836, 2576445), (9795, 2061156), (11754, 1717630), (13060, 1545867), (19590, 1030578), (23508, 858815), (29385, 687052), (39180, 515289), (58770, 343526), (117540, 171763)]