20757324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4051}}^1$

素因数の和:4126

約数の個数: 48

約数和(自身を含む): 56274176

約数和(自身を除く): 35516852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4051, 5124, 8102, 12153, 16204, 24306, 28357, 48612, 56714, 85071, 113428, 170142, 247111, 340284, 494222, 741333, 988444, 1482666, 1729777, 2965332, 3459554, 5189331, 6919108, 10378662, 20757324]

約数ペア:

[(1, 20757324), (2, 10378662), (3, 6919108), (4, 5189331), (6, 3459554), (7, 2965332), (12, 1729777), (14, 1482666), (21, 988444), (28, 741333), (42, 494222), (61, 340284), (84, 247111), (122, 170142), (183, 113428), (244, 85071), (366, 56714), (427, 48612), (732, 28357), (854, 24306), (1281, 16204), (1708, 12153), (2562, 8102), (4051, 5124)]