20966162553

素因数分解:

$3^4\times 7^1\times {\mathrm{359}}^1\times {\mathrm{103001}}^1$

素因数の和:103379

約数の個数: 40

約数和(自身を含む): 35894136960

約数和(自身を除く): 14927974407

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 359, 567, 1077, 2513, 3231, 7539, 9693, 22617, 29079, 67851, 103001, 203553, 309003, 721007, 927009, 2163021, 2781027, 6489063, 8343081, 19467189, 36977359, 58401567, 110932077, 258841513, 332796231, 776524539, 998388693, 2329573617, 2995166079, 6988720851, 20966162553]

約数ペア:

[(1, 20966162553), (3, 6988720851), (7, 2995166079), (9, 2329573617), (21, 998388693), (27, 776524539), (63, 332796231), (81, 258841513), (189, 110932077), (359, 58401567), (567, 36977359), (1077, 19467189), (2513, 8343081), (3231, 6489063), (7539, 2781027), (9693, 2163021), (22617, 927009), (29079, 721007), (67851, 309003), (103001, 203553)]