20687098527

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 30962694880

約数和(自身を除く): 10275596353

約数列:

[1, 3, 9, 37, 111, 193, 333, 409, 579, 787, 1227, 1737, 2361, 3681, 7083, 7141, 15133, 21423, 29119, 45399, 64269, 78937, 87357, 136197, 151891, 236811, 262071, 321883, 455673, 710433, 965649, 1367019, 2896947, 2920669, 5619967, 8762007, 11909671, 16859901, 26286021, 35729013, 50579703, 62123419, 107187039, 186370257, 559110771, 2298566503, 6895699509, 20687098527]

約数ペア:

[(1, 20687098527), (3, 6895699509), (9, 2298566503), (37, 559110771), (111, 186370257), (193, 107187039), (333, 62123419), (409, 50579703), (579, 35729013), (787, 26286021), (1227, 16859901), (1737, 11909671), (2361, 8762007), (3681, 5619967), (7083, 2920669), (7141, 2896947), (15133, 1367019), (21423, 965649), (29119, 710433), (45399, 455673), (64269, 321883), (78937, 262071), (87357, 236811), (136197, 151891)]