20016648

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{877}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 54444780

約数和(自身を除く): 34428132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 877, 951, 1268, 1754, 1902, 2536, 2631, 2853, 3508, 3804, 5262, 5706, 7016, 7608, 7893, 10524, 11412, 15786, 21048, 22824, 31572, 63144, 278009, 556018, 834027, 1112036, 1668054, 2224072, 2502081, 3336108, 5004162, 6672216, 10008324, 20016648]

約数ペア:

[(1, 20016648), (2, 10008324), (3, 6672216), (4, 5004162), (6, 3336108), (8, 2502081), (9, 2224072), (12, 1668054), (18, 1112036), (24, 834027), (36, 556018), (72, 278009), (317, 63144), (634, 31572), (877, 22824), (951, 21048), (1268, 15786), (1754, 11412), (1902, 10524), (2536, 7893), (2631, 7608), (2853, 7016), (3508, 5706), (3804, 5262)]