20065318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2689}}^1$

素因数の和:2752

約数の個数: 32

約数和(自身を含む): 37961280

約数和(自身を除く): 17895962

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 2689, 3731, 5378, 7462, 18823, 34957, 37646, 69914, 110249, 220498, 244699, 489398, 771743, 1433237, 1543486, 2866474, 10032659, 20065318]

約数ペア:

[(1, 20065318), (2, 10032659), (7, 2866474), (13, 1543486), (14, 1433237), (26, 771743), (41, 489398), (82, 244699), (91, 220498), (182, 110249), (287, 69914), (533, 37646), (574, 34957), (1066, 18823), (2689, 7462), (3731, 5378)]