20500424

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 46464000

約数和(自身を除く): 25963576

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 241, 248, 343, 392, 434, 482, 686, 868, 964, 1372, 1519, 1687, 1736, 1928, 2744, 3038, 3374, 6076, 6748, 7471, 10633, 11809, 12152, 13496, 14942, 21266, 23618, 29884, 42532, 47236, 52297, 59768, 82663, 85064, 94472, 104594, 165326, 209188, 330652, 366079, 418376, 661304, 732158, 1464316, 2562553, 2928632, 5125106, 10250212, 20500424]

約数ペア:

[(1, 20500424), (2, 10250212), (4, 5125106), (7, 2928632), (8, 2562553), (14, 1464316), (28, 732158), (31, 661304), (49, 418376), (56, 366079), (62, 330652), (98, 209188), (124, 165326), (196, 104594), (217, 94472), (241, 85064), (248, 82663), (343, 59768), (392, 52297), (434, 47236), (482, 42532), (686, 29884), (868, 23618), (964, 21266), (1372, 14942), (1519, 13496), (1687, 12152), (1736, 11809), (1928, 10633), (2744, 7471), (3038, 6748), (3374, 6076)]