20512800952

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{823}}^1\times {\mathrm{2459}}^1$

素因数の和:3476

約数の個数: 64

約数和(自身を含む): 44270553600

約数和(自身を除く): 23757752648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 823, 1267, 1448, 1646, 2459, 2534, 3292, 4918, 5068, 5761, 6584, 9836, 10136, 11522, 17213, 19672, 23044, 34426, 46088, 68852, 137704, 148963, 297926, 445079, 595852, 890158, 1042741, 1191704, 1780316, 2023757, 2085482, 3115553, 3560632, 4047514, 4170964, 6231106, 8095028, 8341928, 12462212, 14166299, 16190056, 24924424, 28332598, 56665196, 113330392, 366300017, 732600034, 1465200068, 2564100119, 2930400136, 5128200238, 10256400476, 20512800952]

約数ペア:

[(1, 20512800952), (2, 10256400476), (4, 5128200238), (7, 2930400136), (8, 2564100119), (14, 1465200068), (28, 732600034), (56, 366300017), (181, 113330392), (362, 56665196), (724, 28332598), (823, 24924424), (1267, 16190056), (1448, 14166299), (1646, 12462212), (2459, 8341928), (2534, 8095028), (3292, 6231106), (4918, 4170964), (5068, 4047514), (5761, 3560632), (6584, 3115553), (9836, 2085482), (10136, 2023757), (11522, 1780316), (17213, 1191704), (19672, 1042741), (23044, 890158), (34426, 595852), (46088, 445079), (68852, 297926), (137704, 148963)]