20185328277

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 30972395520

約数和(自身を除く): 10787067243

約数列:

[1, 3, 9, 27, 43, 129, 191, 227, 387, 401, 573, 681, 1161, 1203, 1719, 2043, 3609, 5157, 6129, 8213, 9761, 10827, 17243, 24639, 29283, 43357, 51729, 73917, 76591, 87849, 91027, 130071, 155187, 221751, 229773, 263547, 273081, 390213, 465561, 689319, 819243, 1170639, 1864351, 2067957, 2457729, 3293413, 3914161, 5593053, 9880239, 11742483, 16779159, 17386157, 29640717, 35227449, 50337477, 52158471, 88922151, 105682347, 156475413, 469426239, 747604751, 2242814253, 6728442759, 20185328277]

約数ペア:

[(1, 20185328277), (3, 6728442759), (9, 2242814253), (27, 747604751), (43, 469426239), (129, 156475413), (191, 105682347), (227, 88922151), (387, 52158471), (401, 50337477), (573, 35227449), (681, 29640717), (1161, 17386157), (1203, 16779159), (1719, 11742483), (2043, 9880239), (3609, 5593053), (5157, 3914161), (6129, 3293413), (8213, 2457729), (9761, 2067957), (10827, 1864351), (17243, 1170639), (24639, 819243), (29283, 689319), (43357, 465561), (51729, 390213), (73917, 273081), (76591, 263547), (87849, 229773), (91027, 221751), (130071, 155187)]