20614144

素因数分解:

$2^{10}\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 44

約数和(自身を含む): 42299208

約数和(自身を除く): 21685064

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 491, 512, 656, 982, 1024, 1312, 1964, 2624, 3928, 5248, 7856, 10496, 15712, 20131, 20992, 31424, 40262, 41984, 62848, 80524, 125696, 161048, 251392, 322096, 502784, 644192, 1288384, 2576768, 5153536, 10307072, 20614144]

約数ペア:

[(1, 20614144), (2, 10307072), (4, 5153536), (8, 2576768), (16, 1288384), (32, 644192), (41, 502784), (64, 322096), (82, 251392), (128, 161048), (164, 125696), (256, 80524), (328, 62848), (491, 41984), (512, 40262), (656, 31424), (982, 20992), (1024, 20131), (1312, 15712), (1964, 10496), (2624, 7856), (3928, 5248)]