20175950067

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1465

約数の個数: 96

約数和(自身を含む): 34473600000

約数和(自身を除く): 14297649933

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 107, 147, 237, 273, 321, 553, 637, 749, 1027, 1249, 1391, 1659, 1911, 2247, 3081, 3747, 3871, 4173, 5243, 7189, 8453, 8743, 9737, 11613, 15729, 16237, 21567, 25359, 26229, 29211, 48711, 50323, 59171, 61201, 68159, 98671, 109889, 113659, 133643, 150969, 177513, 183603, 204477, 296013, 329667, 340977, 400929, 414197, 690697, 769223, 795613, 935501, 1242591, 1282723, 1737359, 2072091, 2307669, 2386839, 2806503, 3848169, 4834879, 5212077, 5384561, 6548507, 8979061, 10557797, 12161513, 14504637, 16153683, 19645521, 26937183, 31673391, 36484539, 62853427, 73904579, 85130591, 137251361, 188560281, 221713737, 255391773, 411754083, 517332053, 960759527, 1551996159, 2882278581, 6725316689, 20175950067]

約数ペア:

[(1, 20175950067), (3, 6725316689), (7, 2882278581), (13, 1551996159), (21, 960759527), (39, 517332053), (49, 411754083), (79, 255391773), (91, 221713737), (107, 188560281), (147, 137251361), (237, 85130591), (273, 73904579), (321, 62853427), (553, 36484539), (637, 31673391), (749, 26937183), (1027, 19645521), (1249, 16153683), (1391, 14504637), (1659, 12161513), (1911, 10557797), (2247, 8979061), (3081, 6548507), (3747, 5384561), (3871, 5212077), (4173, 4834879), (5243, 3848169), (7189, 2806503), (8453, 2386839), (8743, 2307669), (9737, 2072091), (11613, 1737359), (15729, 1282723), (16237, 1242591), (21567, 935501), (25359, 795613), (26229, 769223), (29211, 690697), (48711, 414197), (50323, 400929), (59171, 340977), (61201, 329667), (68159, 296013), (98671, 204477), (109889, 183603), (113659, 177513), (133643, 150969)]