20403216621

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{26339}}^1$

素因数の和:26506

約数の個数: 48

約数和(自身を含む): 32099820480

約数和(自身を除く): 11696603859

約数列:

[1, 3, 9, 17, 51, 61, 83, 153, 183, 249, 549, 747, 1037, 1411, 3111, 4233, 5063, 9333, 12699, 15189, 26339, 45567, 79017, 86071, 237051, 258213, 447763, 774639, 1343289, 1606679, 2186137, 4029867, 4820037, 6558411, 14460111, 19675233, 27313543, 37164329, 81940629, 111492987, 133354357, 245821887, 334478961, 400063071, 1200189213, 2267024069, 6801072207, 20403216621]

約数ペア:

[(1, 20403216621), (3, 6801072207), (9, 2267024069), (17, 1200189213), (51, 400063071), (61, 334478961), (83, 245821887), (153, 133354357), (183, 111492987), (249, 81940629), (549, 37164329), (747, 27313543), (1037, 19675233), (1411, 14460111), (3111, 6558411), (4233, 4820037), (5063, 4029867), (9333, 2186137), (12699, 1606679), (15189, 1343289), (26339, 774639), (45567, 447763), (79017, 258213), (86071, 237051)]