20188454936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1\times {\mathrm{2593}}^1$

素因数の和:4396

約数の個数: 64

約数和(自身を含む): 41753231520

約数和(自身を除く): 21564776584

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 1741, 2236, 2593, 3482, 4472, 5186, 6964, 10372, 13928, 20744, 22633, 33709, 45266, 67418, 74863, 90532, 111499, 134836, 149726, 181064, 222998, 269672, 299452, 445996, 598904, 891992, 973219, 1449487, 1946438, 2898974, 3892876, 4514413, 5797948, 7785752, 9028826, 11595896, 18057652, 36115304, 58687369, 117374738, 194119759, 234749476, 388239518, 469498952, 776479036, 1552958072, 2523556867, 5047113734, 10094227468, 20188454936]

約数ペア:

[(1, 20188454936), (2, 10094227468), (4, 5047113734), (8, 2523556867), (13, 1552958072), (26, 776479036), (43, 469498952), (52, 388239518), (86, 234749476), (104, 194119759), (172, 117374738), (344, 58687369), (559, 36115304), (1118, 18057652), (1741, 11595896), (2236, 9028826), (2593, 7785752), (3482, 5797948), (4472, 4514413), (5186, 3892876), (6964, 2898974), (10372, 1946438), (13928, 1449487), (20744, 973219), (22633, 891992), (33709, 598904), (45266, 445996), (67418, 299452), (74863, 269672), (90532, 222998), (111499, 181064), (134836, 149726)]