20545181552

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{17053}}^1$

素因数の和:17446

約数の個数: 80

約数和(自身を含む): 47098509312

約数和(自身を除く): 26553327760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 347, 434, 496, 694, 868, 1388, 1736, 2429, 2776, 3472, 4858, 5552, 9716, 10757, 17053, 19432, 21514, 34106, 38864, 43028, 68212, 75299, 86056, 119371, 136424, 150598, 172112, 238742, 272848, 301196, 477484, 528643, 602392, 954968, 1057286, 1204784, 1909936, 2114572, 3700501, 4229144, 5917391, 7401002, 8458288, 11834782, 14802004, 23669564, 29604008, 41421737, 47339128, 59208016, 82843474, 94678256, 165686948, 183439121, 331373896, 366878242, 662747792, 733756484, 1284073847, 1467512968, 2568147694, 2935025936, 5136295388, 10272590776, 20545181552]

約数ペア:

[(1, 20545181552), (2, 10272590776), (4, 5136295388), (7, 2935025936), (8, 2568147694), (14, 1467512968), (16, 1284073847), (28, 733756484), (31, 662747792), (56, 366878242), (62, 331373896), (112, 183439121), (124, 165686948), (217, 94678256), (248, 82843474), (347, 59208016), (434, 47339128), (496, 41421737), (694, 29604008), (868, 23669564), (1388, 14802004), (1736, 11834782), (2429, 8458288), (2776, 7401002), (3472, 5917391), (4858, 4229144), (5552, 3700501), (9716, 2114572), (10757, 1909936), (17053, 1204784), (19432, 1057286), (21514, 954968), (34106, 602392), (38864, 528643), (43028, 477484), (68212, 301196), (75299, 272848), (86056, 238742), (119371, 172112), (136424, 150598)]