20259590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1543}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 39686976

約数和(自身を除く): 19427386

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 1543, 2626, 3086, 6565, 7715, 13130, 15430, 20059, 40118, 100295, 155843, 200590, 311686, 779215, 1558430, 2025959, 4051918, 10129795, 20259590]

約数ペア:

[(1, 20259590), (2, 10129795), (5, 4051918), (10, 2025959), (13, 1558430), (26, 779215), (65, 311686), (101, 200590), (130, 155843), (202, 100295), (505, 40118), (1010, 20059), (1313, 15430), (1543, 13130), (2626, 7715), (3086, 6565)]