20786402

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{631}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 38648064

約数和(自身を除く): 17861662

約数列:

[1, 2, 7, 13, 14, 26, 91, 181, 182, 362, 631, 1262, 1267, 2353, 2534, 4417, 4706, 8203, 8834, 16406, 16471, 32942, 57421, 114211, 114842, 228422, 799477, 1484743, 1598954, 2969486, 10393201, 20786402]

約数ペア:

[(1, 20786402), (2, 10393201), (7, 2969486), (13, 1598954), (14, 1484743), (26, 799477), (91, 228422), (181, 114842), (182, 114211), (362, 57421), (631, 32942), (1262, 16471), (1267, 16406), (2353, 8834), (2534, 8203), (4417, 4706)]