20117757543

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 30024691200

約数和(自身を除く): 9906933657

約数列:

[1, 3, 13, 39, 53, 83, 149, 159, 249, 447, 689, 787, 1079, 1937, 2067, 2361, 3237, 4399, 5811, 7897, 10231, 12367, 13197, 23691, 30693, 37101, 41711, 57187, 65321, 102661, 117263, 125133, 160771, 171561, 195963, 307983, 351789, 482313, 542243, 655451, 849173, 1524419, 1626729, 1966353, 2547519, 3462013, 4573257, 6214939, 8520863, 9732829, 10386039, 18644817, 25562589, 29198487, 45006169, 80794207, 126526777, 135018507, 242382621, 379580331, 515839937, 1547519811, 6705919181, 20117757543]

約数ペア:

[(1, 20117757543), (3, 6705919181), (13, 1547519811), (39, 515839937), (53, 379580331), (83, 242382621), (149, 135018507), (159, 126526777), (249, 80794207), (447, 45006169), (689, 29198487), (787, 25562589), (1079, 18644817), (1937, 10386039), (2067, 9732829), (2361, 8520863), (3237, 6214939), (4399, 4573257), (5811, 3462013), (7897, 2547519), (10231, 1966353), (12367, 1626729), (13197, 1524419), (23691, 849173), (30693, 655451), (37101, 542243), (41711, 482313), (57187, 351789), (65321, 307983), (102661, 195963), (117263, 171561), (125133, 160771)]