20347911616

素因数分解:

$2^6\times {\mathrm{2539}}^1\times {\mathrm{125221}}^1$

素因数の和:127772

約数の個数: 28

約数和(自身を含む): 40394112760

約数和(自身を除く): 20046201144

約数列:

[1, 2, 4, 8, 16, 32, 64, 2539, 5078, 10156, 20312, 40624, 81248, 125221, 162496, 250442, 500884, 1001768, 2003536, 4007072, 8014144, 317936119, 635872238, 1271744476, 2543488952, 5086977904, 10173955808, 20347911616]

約数ペア:

[(1, 20347911616), (2, 10173955808), (4, 5086977904), (8, 2543488952), (16, 1271744476), (32, 635872238), (64, 317936119), (2539, 8014144), (5078, 4007072), (10156, 2003536), (20312, 1001768), (40624, 500884), (81248, 250442), (125221, 162496)]