20542536

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40759}}^1$

素因数の和:40778

約数の個数: 48

約数和(自身を含む): 63585600

約数和(自身を除く): 43043064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40759, 81518, 122277, 163036, 244554, 285313, 326072, 366831, 489108, 570626, 733662, 855939, 978216, 1141252, 1467324, 1711878, 2282504, 2567817, 2934648, 3423756, 5135634, 6847512, 10271268, 20542536]

約数ペア:

[(1, 20542536), (2, 10271268), (3, 6847512), (4, 5135634), (6, 3423756), (7, 2934648), (8, 2567817), (9, 2282504), (12, 1711878), (14, 1467324), (18, 1141252), (21, 978216), (24, 855939), (28, 733662), (36, 570626), (42, 489108), (56, 366831), (63, 326072), (72, 285313), (84, 244554), (126, 163036), (168, 122277), (252, 81518), (504, 40759)]