20308782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 46577664

約数和(自身を除く): 26268882

約数列:

[1, 2, 3, 6, 13, 26, 31, 37, 39, 62, 74, 78, 93, 111, 186, 222, 227, 403, 454, 481, 681, 806, 962, 1147, 1209, 1362, 1443, 2294, 2418, 2886, 2951, 3441, 5902, 6882, 7037, 8399, 8853, 14074, 14911, 16798, 17706, 21111, 25197, 29822, 42222, 44733, 50394, 89466, 91481, 109187, 182962, 218374, 260369, 274443, 327561, 520738, 548886, 655122, 781107, 1562214, 3384797, 6769594, 10154391, 20308782]

約数ペア:

[(1, 20308782), (2, 10154391), (3, 6769594), (6, 3384797), (13, 1562214), (26, 781107), (31, 655122), (37, 548886), (39, 520738), (62, 327561), (74, 274443), (78, 260369), (93, 218374), (111, 182962), (186, 109187), (222, 91481), (227, 89466), (403, 50394), (454, 44733), (481, 42222), (681, 29822), (806, 25197), (962, 21111), (1147, 17706), (1209, 16798), (1362, 14911), (1443, 14074), (2294, 8853), (2418, 8399), (2886, 7037), (2951, 6882), (3441, 5902)]