20299838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 34080480

約数和(自身を除く): 13780642

約数列:

[1, 2, 13, 26, 41, 82, 137, 139, 274, 278, 533, 1066, 1781, 1807, 3562, 3614, 5617, 5699, 11234, 11398, 19043, 38086, 73021, 74087, 146042, 148174, 247559, 495118, 780763, 1561526, 10149919, 20299838]

約数ペア:

[(1, 20299838), (2, 10149919), (13, 1561526), (26, 780763), (41, 495118), (82, 247559), (137, 148174), (139, 146042), (274, 74087), (278, 73021), (533, 38086), (1066, 19043), (1781, 11398), (1807, 11234), (3562, 5699), (3614, 5617)]