20176825724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{17891}}^1$

素因数の和:18015

約数の個数: 72

約数和(自身を含む): 41228320896

約数和(自身を除く): 21051495172

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 284, 361, 418, 722, 781, 836, 1349, 1444, 1562, 2698, 3124, 3971, 5396, 7942, 14839, 15884, 17891, 25631, 29678, 35782, 51262, 59356, 71564, 102524, 196801, 281941, 339929, 393602, 563882, 679858, 787204, 1127764, 1270261, 1359716, 2540522, 3739219, 5081044, 6458651, 7478438, 12917302, 13972871, 14956876, 24134959, 25834604, 27945742, 48269918, 55891484, 71045161, 96539836, 142090322, 265484549, 284180644, 458564221, 530969098, 917128442, 1061938196, 1834256884, 5044206431, 10088412862, 20176825724]

約数ペア:

[(1, 20176825724), (2, 10088412862), (4, 5044206431), (11, 1834256884), (19, 1061938196), (22, 917128442), (38, 530969098), (44, 458564221), (71, 284180644), (76, 265484549), (142, 142090322), (209, 96539836), (284, 71045161), (361, 55891484), (418, 48269918), (722, 27945742), (781, 25834604), (836, 24134959), (1349, 14956876), (1444, 13972871), (1562, 12917302), (2698, 7478438), (3124, 6458651), (3971, 5081044), (5396, 3739219), (7942, 2540522), (14839, 1359716), (15884, 1270261), (17891, 1127764), (25631, 787204), (29678, 679858), (35782, 563882), (51262, 393602), (59356, 339929), (71564, 281941), (102524, 196801)]