20189943683

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1\times {\mathrm{967}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 25723051200

約数和(自身を除く): 5533107517

約数列:

[1, 7, 13, 49, 73, 91, 449, 511, 637, 949, 967, 3143, 3577, 5837, 6643, 6769, 12571, 22001, 32777, 40859, 46501, 47383, 70591, 87997, 229439, 286013, 426101, 434183, 494137, 615979, 917683, 1606073, 2982707, 3039281, 3458959, 5644379, 6423781, 20878949, 21274967, 31695359, 39510653, 44966467, 221867513, 276574571, 412039667, 1553072591, 2884277669, 20189943683]

約数ペア:

[(1, 20189943683), (7, 2884277669), (13, 1553072591), (49, 412039667), (73, 276574571), (91, 221867513), (449, 44966467), (511, 39510653), (637, 31695359), (949, 21274967), (967, 20878949), (3143, 6423781), (3577, 5644379), (5837, 3458959), (6643, 3039281), (6769, 2982707), (12571, 1606073), (22001, 917683), (32777, 615979), (40859, 494137), (46501, 434183), (47383, 426101), (70591, 286013), (87997, 229439)]