20356928643

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1\times {\mathrm{7333}}^1$

素因数の和:7899

約数の個数: 32

約数和(自身を含む): 28894786560

約数和(自身を除く): 8537857917

約数列:

[1, 3, 19, 57, 113, 339, 431, 1293, 2147, 6441, 7333, 8189, 21999, 24567, 48703, 139327, 146109, 417981, 828629, 925357, 2485887, 2776071, 3160523, 9481569, 15743951, 47231853, 60049937, 180149811, 357139099, 1071417297, 6785642881, 20356928643]

約数ペア:

[(1, 20356928643), (3, 6785642881), (19, 1071417297), (57, 357139099), (113, 180149811), (339, 60049937), (431, 47231853), (1293, 15743951), (2147, 9481569), (6441, 3160523), (7333, 2776071), (8189, 2485887), (21999, 925357), (24567, 828629), (48703, 417981), (139327, 146109)]