20148789878

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{337}}^1\times {\mathrm{1097}}^1$

素因数の和:1689

約数の個数: 64

約数和(自身を含む): 36874880640

約数和(自身を除く): 16726090762

約数列:

[1, 2, 7, 14, 17, 34, 119, 229, 238, 337, 458, 674, 1097, 1603, 2194, 2359, 3206, 3893, 4718, 5729, 7679, 7786, 11458, 15358, 18649, 27251, 37298, 40103, 54502, 77173, 80206, 130543, 154346, 251213, 261086, 369689, 502426, 540211, 739378, 1080422, 1311941, 1758491, 2587823, 2623882, 3516982, 4270621, 5175646, 6284713, 8541242, 9183587, 12569426, 18367174, 29894347, 43992991, 59788694, 84658781, 87985982, 169317562, 592611467, 1185222934, 1439199277, 2878398554, 10074394939, 20148789878]

約数ペア:

[(1, 20148789878), (2, 10074394939), (7, 2878398554), (14, 1439199277), (17, 1185222934), (34, 592611467), (119, 169317562), (229, 87985982), (238, 84658781), (337, 59788694), (458, 43992991), (674, 29894347), (1097, 18367174), (1603, 12569426), (2194, 9183587), (2359, 8541242), (3206, 6284713), (3893, 5175646), (4718, 4270621), (5729, 3516982), (7679, 2623882), (7786, 2587823), (11458, 1758491), (15358, 1311941), (18649, 1080422), (27251, 739378), (37298, 540211), (40103, 502426), (54502, 369689), (77173, 261086), (80206, 251213), (130543, 154346)]