20209854

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1297}}^1$

素因数の和:1369

約数の個数: 48

約数和(自身を含む): 47942928

約数和(自身を除く): 27733074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 294, 318, 371, 742, 1113, 1297, 2226, 2594, 2597, 3891, 5194, 7782, 7791, 9079, 15582, 18158, 27237, 54474, 63553, 68741, 127106, 137482, 190659, 206223, 381318, 412446, 481187, 962374, 1443561, 2887122, 3368309, 6736618, 10104927, 20209854]

約数ペア:

[(1, 20209854), (2, 10104927), (3, 6736618), (6, 3368309), (7, 2887122), (14, 1443561), (21, 962374), (42, 481187), (49, 412446), (53, 381318), (98, 206223), (106, 190659), (147, 137482), (159, 127106), (294, 68741), (318, 63553), (371, 54474), (742, 27237), (1113, 18158), (1297, 15582), (2226, 9079), (2594, 7791), (2597, 7782), (3891, 5194)]