20197124493

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:1314

約数の個数: 64

約数和(自身を含む): 33387067392

約数和(自身を除く): 13189942899

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 331, 397, 563, 993, 1191, 1689, 2317, 2779, 3941, 4303, 5161, 6951, 7319, 8337, 11823, 12909, 15483, 21957, 30121, 36127, 51233, 90363, 108381, 131407, 153699, 186353, 223511, 394221, 559059, 670533, 919849, 1304471, 1564577, 1708291, 2422589, 2759547, 2905643, 3913413, 4693731, 5124873, 7267767, 8716929, 11958037, 16958123, 20339501, 35874111, 50874369, 61018503, 73982141, 221946423, 517874987, 961767833, 1553624961, 2885303499, 6732374831, 20197124493]

約数ペア:

[(1, 20197124493), (3, 6732374831), (7, 2885303499), (13, 1553624961), (21, 961767833), (39, 517874987), (91, 221946423), (273, 73982141), (331, 61018503), (397, 50874369), (563, 35874111), (993, 20339501), (1191, 16958123), (1689, 11958037), (2317, 8716929), (2779, 7267767), (3941, 5124873), (4303, 4693731), (5161, 3913413), (6951, 2905643), (7319, 2759547), (8337, 2422589), (11823, 1708291), (12909, 1564577), (15483, 1304471), (21957, 919849), (30121, 670533), (36127, 559059), (51233, 394221), (90363, 223511), (108381, 186353), (131407, 153699)]