20348517616

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2978413}}^1$

素因数の和:2978489

約数の個数: 40

約数和(自身を含む): 45796093664

約数和(自身を除く): 25447576048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 2978413, 5956826, 11913652, 20848891, 23827304, 41697782, 47654608, 83395564, 166791128, 181683193, 333582256, 363366386, 726732772, 1271782351, 1453465544, 2543564702, 2906931088, 5087129404, 10174258808, 20348517616]

約数ペア:

[(1, 20348517616), (2, 10174258808), (4, 5087129404), (7, 2906931088), (8, 2543564702), (14, 1453465544), (16, 1271782351), (28, 726732772), (56, 363366386), (61, 333582256), (112, 181683193), (122, 166791128), (244, 83395564), (427, 47654608), (488, 41697782), (854, 23827304), (976, 20848891), (1708, 11913652), (3416, 5956826), (6832, 2978413)]