20739024

素因数分解:

$2^4\times 3^3\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:865

約数の個数: 80

約数和(自身を含む): 60581440

約数和(自身を除く): 39842416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 108, 122, 144, 183, 216, 244, 366, 432, 488, 549, 732, 787, 976, 1098, 1464, 1574, 1647, 2196, 2361, 2928, 3148, 3294, 4392, 4722, 6296, 6588, 7083, 8784, 9444, 12592, 13176, 14166, 18888, 21249, 26352, 28332, 37776, 42498, 48007, 56664, 84996, 96014, 113328, 144021, 169992, 192028, 288042, 339984, 384056, 432063, 576084, 768112, 864126, 1152168, 1296189, 1728252, 2304336, 2592378, 3456504, 5184756, 6913008, 10369512, 20739024]

約数ペア:

[(1, 20739024), (2, 10369512), (3, 6913008), (4, 5184756), (6, 3456504), (8, 2592378), (9, 2304336), (12, 1728252), (16, 1296189), (18, 1152168), (24, 864126), (27, 768112), (36, 576084), (48, 432063), (54, 384056), (61, 339984), (72, 288042), (108, 192028), (122, 169992), (144, 144021), (183, 113328), (216, 96014), (244, 84996), (366, 56664), (432, 48007), (488, 42498), (549, 37776), (732, 28332), (787, 26352), (976, 21249), (1098, 18888), (1464, 14166), (1574, 13176), (1647, 12592), (2196, 9444), (2361, 8784), (2928, 7083), (3148, 6588), (3294, 6296), (4392, 4722)]