20670288

素因数分解:

$2^4\times 3^1\times {\mathrm{331}}^1\times {\mathrm{1301}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 53600736

約数和(自身を除く): 32930448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 331, 662, 993, 1301, 1324, 1986, 2602, 2648, 3903, 3972, 5204, 5296, 7806, 7944, 10408, 15612, 15888, 20816, 31224, 62448, 430631, 861262, 1291893, 1722524, 2583786, 3445048, 5167572, 6890096, 10335144, 20670288]

約数ペア:

[(1, 20670288), (2, 10335144), (3, 6890096), (4, 5167572), (6, 3445048), (8, 2583786), (12, 1722524), (16, 1291893), (24, 861262), (48, 430631), (331, 62448), (662, 31224), (993, 20816), (1301, 15888), (1324, 15612), (1986, 10408), (2602, 7944), (2648, 7806), (3903, 5296), (3972, 5204)]