20017503776

素因数分解:

$2^5\times {\mathrm{821}}^1\times {\mathrm{859}}^1\times {\mathrm{887}}^1$

素因数の和:2577

約数の個数: 48

約数和(自身を含む): 39547932480

約数和(自身を除く): 19530428704

約数列:

[1, 2, 4, 8, 16, 32, 821, 859, 887, 1642, 1718, 1774, 3284, 3436, 3548, 6568, 6872, 7096, 13136, 13744, 14192, 26272, 27488, 28384, 705239, 728227, 761933, 1410478, 1456454, 1523866, 2820956, 2912908, 3047732, 5641912, 5825816, 6095464, 11283824, 11651632, 12190928, 22567648, 23303264, 24381856, 625546993, 1251093986, 2502187972, 5004375944, 10008751888, 20017503776]

約数ペア:

[(1, 20017503776), (2, 10008751888), (4, 5004375944), (8, 2502187972), (16, 1251093986), (32, 625546993), (821, 24381856), (859, 23303264), (887, 22567648), (1642, 12190928), (1718, 11651632), (1774, 11283824), (3284, 6095464), (3436, 5825816), (3548, 5641912), (6568, 3047732), (6872, 2912908), (7096, 2820956), (13136, 1523866), (13744, 1456454), (14192, 1410478), (26272, 761933), (27488, 728227), (28384, 705239)]